ISO 14819-2:2003

Traffic and Traveller Information (TTI) - TTI messages via traffic message coding - Part 2: Event and information codes for Radio Data System - Traffic Message Channel (RDS-TMC)

ISO 14819-2:2003 describes the ALERT-C protocol concept and message structure used to achieve densely coded messages to be carried in the RDS-TMC feature. This part (2) of the ENV 12313/EN ISO 14819 series of standards defines the "Events List" to be used in coding those messages.

Informations sur le trafic et le tourisme (TTI) — Messages TTI via le codage de messages sur le trafic — Partie 2: Codes d'événements et d'informations pour le système de radiodiffusion de données (RDS) — Canal de messages d'informations sur le trafic (RDS-TMC)

General Information

• Status: Withdrawn
• Publication Date: 27-May-2003
• Withdrawal Date: 27-May-2003
• ICS: 03.220.20 - Road transport
• ICS: 35.240.60 - IT applications in transport
• Technical Committee: ISO/TC 204 - Intelligent transport systems
• Drafting Committee: ISO/TC 204/WG 10 - Traveller information systems
• Current Stage: 9599 - Withdrawal of International Standard
• Start Date: 21-Nov-2013
• Completion Date: 13-Dec-2025

Relations

• Consolidates: ISO 7375-1:1986 - Road vehicles - Coiled pipe assemblies for pneumatic braking connection between motor vehicles and towed vehicles - Part 1: Dimensions
• Effective Date: 06-Jun-2022
• Revised: ISO 14819-2:2013 - Intelligent transport systems - Traffic and travel information messages via traffic message coding - Part 2: Event and information codes for Radio Data System - Traffic Message Channel (RDS-TMC) using ALERT-C
• Effective Date: 05-Feb-2011

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 14819-2
First edition
2003-06-01
Traffic and Traveller Information (TTI) —
TTI messages via traffic message
coding —
Part 2:
Event and information codes for Radio
Data System — Traffic Message Channel
(RDS-TMC)
Informations sur le trafic et le tourisme (TTI) — Messages TTI via le
codage de messages sur le trafic —
Partie 2: Codes d'événements et d'informations pour le système de
radiodiffusion de données (RDS) — Canal de messages d'informations
sur le trafic (RDS-TMC)
Reference number
©
ISO 2003
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©  ISO 2003
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ii © ISO 2003 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 14819-2 was prepared by the European Committee for Standardization (CEN) in collaboration with
Technical Committee ISO/TC 204, Intelligent transport systems, in accordance with the Agreement on technical
cooperation between ISO and CEN (Vienna Agreement).
Throughout the text of this document, read “.this European Standard.” to mean “.this International
Standard.”.
ISO 14819 consists of the following parts, under the general title Traffic and Traveller Information (TTI) — TTI
messages via traffic message coding:
— Part 1: Coding protocol for Radio Data System — Traffic Message Channel (RDS-TMC) using ALERT-C
— Part 2: Event and information codes for Radio Data System — Traffic Message Channel (RDS-TMC)
— Part 3: Location referencing for ALERT-C

Contents
Foreword.v
Introduction .vi
1 Scope .1
2 Normative references.1
3 Event and Information codes for Traffic Message Channel.2
3.1 Event list.2
3.1.1 Explanatory notes .2
3.1.2 List of Quantifiers.4
3.1.3 Event list .5
3.2 Supplementary information .58
3.2.1 Explanatory notes .58
3.2.2 Supplementary information list .60
3.3 Forecast event list .69
3.3.1 Explanatory notes .69
3.3.2 Forecast event list.70
Annex A (informative) GB-English - List of Quantifiers.76
Annex B (informative) GB-English - Event List .78
Annex C (informative) GB-English - Supplementary Information List.125
Annex D (informative) GB-English - Forecast Event List .134
iv © ISO 2003 – All rights reserved

Foreword
The text of the International Standard from Technical Committee ISO/TC 204 "Intelligent transport systems"

of the International Organization for Standardization (ISO) a European Standard by Technical Committee
CEN/TC 278, "Road transport and traffic telematics", the secretariat of which is held by NEN.
This European Standard shall be given the status of a national standard, either by publication of an identical text or
by endorsement, at the latest by November 2003, and conflicting national standards shall be withdrawn at the latest
by November 2003.
This document supersedes ENV 12313-2:1997.
This document has to be implemented at national level, either by publication of an identical text or by endorsement,
by November 2003, and conflicting national standards have to be withdrawn by November 2003.
Attention is drawn to the fact that there may be Intellectual Property Rights (IPR) in relation to certain provisions of
this standard, especially in regard to the implementation of terminal products. The technical experts of TC 278 were
unable to identify such claims due to the complicated legal issues involved. IPR holders should notify CEN of their
claims.
No known national standards (identical or conflicting) exist on this subject.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,
Slovak Republic, Spain, Sweden, Switzerland and the United Kingdom.
Introduction
EN ISO 14819-2 is the second part of the EN 12313 / EN ISO 14819 series of standards, covering the so-called
‘ALERT-C’ protocol encoded for transmission into the RDS-TMC feature. Therefore, this standard must uniquely
and solely be considered together with EN ISO 14819-1, for a complete understanding.
EN ISO 14819-1 fully describes the ALERT-C protocol concept and relationship with the RDS standard, IEC
62106:2000
In this version of EN ISO 14819-2, the content and the structure of the ‘Events List’ have not been altered, but
recent work from the FORCE/ECORTIS Projects regarding translations and a number of improved formatting ideas
suggested by the EPISODE Project, have been introduced. Additionally mention is made of suggested ‘Event List’
sub-sets.
In particular, this part contains the special meta-language, in the so-called ‘CEN-English’, which the technical
experts of CEN TC 278 agreed would be the only and sole source for all coded descriptions used in RDS-TMC.
This methodology has allowed agreement in important details for the many hundreds of event phrases, so included,
even though subtle linguistic differences were perceived and need to be allowed for in terms of end-user
presentation. Thus the French and German language editions of this standard have the same form as this English
language edition. All three language editions have exactly the same sections 3.1.3 Event List, 3.2.2 Supplementary
Information List and 3.3.2 Forecast Event List written in ‘CEN-English’. Each language edition comprises
Informative annexes providing those lists again in three or four column format showing the ‘CEN-English’
description and the ‘transformed’ language (not necessarily a direct literal translation, but a comprehensible
transformation of the specific intent of the ‘CEN-English’) description in their respective languages.
Translations into further other languages, based upon the normative ‘CEN-English’ have been produced and are
available from the TMC Forum web site, at URL: www.tmcforum.com.
Further work has been undertaken by the FORCE/ECORTIS Projects to define subsets of the Events List covering
safety and crisis phrases, which are now embodied in the SACEL and SACEL + Events Lists, which can also be
found on the TMC Forum web site, at URL: www.tmcforum.com
vi © ISO 2003 – All rights reserved

1 Scope
EN ISO 14819-1 describes the ALERT-C protocol concept and message structure used to achieve densely coded
messages to be carried in the RDS-TMC feature. This part (2) of the EN ISO 14819 series of standards defines the
‘Events List’ to be used in coding those messages.
2 Normative references
This European Stanadard incorporates by dated or undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this European
Stanadard only when incorporated in it by amendment or revision. For undated references the latest edition of the
publication referred to applies (including amendments).
EN ISO 14819-1 Traffic and Traveller Information (TTI) -TTI Messages via Traffic
Message Coding -Part 1: Coding Protocol for Radio Data System -
Traffic Message Channel (RDS-TMC) - RDS-TMC using ALERT-C
IEC 62106:2000 Specification of the radio data system (RDS) for VHF/FM sound
broadcasting in the frequency range from 87,5 to 108,0 MHz
ENV 13106:2000 Road transport and traffic telematics - DATEX traffic and travel
data dictionary (version 3.1.a)
3 Event and Information codes for Traffic Message Channel
3.1 Event list
3.1.1 Explanatory notes
1) The event list is divided into update classes, indicated by the various sections. These update classes are
used for terminal message management, as indicated in Section 6.1 of EN ISO 14819-1. The event list is
shown in the format of a database.
NOTE: The first column shows line numbers to assist reading of the database
2) The second column gives a ‘technical language’ (so-called CEN-English) description of the event code, of
which the code is shown in the third field. Appropriate authorities of each country have been responsible
for the exact descriptions in other languages, in conformity with the definitions given in the DATEX Data
Dictionary.
This will ensure precise definitions and use of the event codes in the transmission layer. Individual terminal
implementations may handle these (translated) descriptions with some flexibility. To allow a more effective
presentation however without altering the meaning.
3) The third column gives the decimal equivalent of the actual binary event code to be transmitted (see
Section 5.3.2 of EN ISO 14819-1). These codes are purely internal to the RDS-TMC system and should
not be used for referencing events or composing messages in other operator systems. Undefined codes
are reserved for future system additions.
4) The fourth column, headed "N", is the nature of the event. The general meaning of the codes is as follows:
(blank) - information
F - forecast
S - silent: no message shall be presented to the end-user
5) The fifth column, "Q", is the optional quantifier field, containing the reference numbers of quantifiers listed
in the table at the end of the event list. The position of the optional quantifier in the event, plus in some
cases some accompanying words, is shown by (.Q.) within the text. Use of these optional quantifiers is
described in Section 5.5.6 of EN ISO 14819-1.
6) The sixth column "T" is the duration type. "D" indicates "dynamic" events of short duration and "L" indicates
longer-lasting events (see Section 5.4.10 of EN ISO 14819-1). If this code is bracketed ( ), or if the time-of-
day quantifier (no.7) is actually used in the message, no duration shall be presented to the user. In these
cases, the duration indicates persistence, used for message management only.
7) The seventh column "D" is the default directionality of the event. "1" indicates that one direction, and "2"
that both directions of traffic are normally affected by the event. TMC terminals can use this field to help
determine which events to present to the driver and how.
8) The eighth column "U" is the default terminal urgency, with values "X" for extremely urgent, "U" for urgent,
and blank for normal events (see Section 5.4.5 of EN ISO 14819-1).
9) The ninth column, "C", gives a numerical representation of the update class the event belongs to. Only
update classes 1 - 31 can be found in 3.1. Some update classes (classes 32-39 in the present list), which
are exclusively for events with nature F and duration type L or (L), can be found in Section 3.2. They
contain no events of another type (except S).
10) The final column, "R", gives phrase codes (references) for use by TMC operators. An event may be a
single phrase event, or a combination of two or more phrases. Each phrase is allocated a phrase code
consisting at least of a single code letter (A - Z) and a code number (1 - 999). Single phrase events are
indicated by a single code letter and number of one or two digits (e.g. A1 - A99); expected events are
indicated by the normal phrase code followed by "E" (e.g. A1E), and dangerous events by a following "D"
(e.g. G6D); events with quantifiers can have three digits (e.g. A101). Longer lasting forecasts are indicated
by the letter F.
2 © ISO 2003 – All rights reserved

11) Not all the messages have to be used by a Service Provider but it is the Service Provider’s prerogative to
choose the most suitable ones for the service being provided. However a Service provider would be well
advised to take account and match the sub-set of messages with the messages able to be presented in the
terminal.
The Event List also contains several predefined combinations of single phrase events to make better use of the
available channel capacity. These combined events are indicated by the combined codes of the constituent
phrases (e.g. B11.C1).
NOTE: The phrases used in combined events are not always word for word identical to the corresponding
phrases used in the single events. Binding words or small changes to the wording are necessary.
The code letters are not related to the update classes, but have the following meaning:
A: Level of Service
B: Incidents/Accidents
C: Closures
D: Lane Restrictions
E: Roadworks
F: Obstruction Hazards
G: Road Conditions
H: Weather
J: Winds
L: Environment
M: Temperature
P: Activities
Q: Delays/Cancellations
R: Dangerous Vehicles
S: Exceptional Loads
T: Traffic Equipment Status
U: Traffic Regulations
X: Parking
Y: Information
The code letter Z is used to indicate phrases from the List of Supplementary Information (see Section 3.2).
The phrase codes are not normative, but are only given as additional information about the contents of a given
event and should be helpful when implementing software.
3.1.2 List of Quantifiers
Table 1 — List of quantifiers
No Meaning Range Examples
0 n (small number) (n = 1, 2,. ,28; 1  00001, 2  00010
30, 32, .36);
1 N (number) (N = 1, 2, 3, 4; 1  00001, 2  00010
10, 20 ,. 100; 10  00101, 20  00110
150, 200,. 1000) 150  01111, 200  10000
2 less than V (V = 10, 20,. 300) 10  00001, 20  00010
metres
3 P percent (P = 0, 5,. 100) 0  00001, 5  00010
4 of up to S km/h (S = 5, 10,. 160) 5  00001, 10  00010
5 of up to M (M = 5, 10,. 50; 5  00001, 10  00010
minutes
(H hours) H = 1, 2,. 12; 1  01011, 2  01100
18, 24,. 72) 18  10111, 24  11000
6 T degrees (T = -50, -49,. +50) -50  0000 0001, -49  0000 0010
Celsius
7 H time (H = 00.00, 00.10,. 23.50) 00.00  0000 0001
00.10  0000 0010
8 W tonnes (W = 0.1, 0.2,. 10.0; 0.1  0000 0001, 0.2  0000 0010
10.5, 11.0,. 60.0) 10.5  0110 0101
11.0  0110 0110
9 L metres (L = 0.1, 0.2,. 10.0; 0.1  0000 0001, 0.2  0000 0010
10.5, 11.0,. 80.0) 10.5  0110 0101
11.0  0110 0110
10 of up to D (D = 1, 2,. 255) 1  0000 0001, 2  0000 0010
millimetres
11 M MHz (as defined in EN 50067: 87.6  0000 0001
1998) 87.7  0000 0010
12 k kHz (as defined in EN 50067:    ITU Regions 1,3 ( Region 2 )
1998)
0000 0001   153   ( reserved)
0000 0010   162   ( reserved)
0001 0000   531   ( 531   )
0001 0001   540   ( 541   )
Quantifiers 0 to 5 use a 5-bit data field, and 6 to 12 an 8-bit data field. The first value above is indicated in the
quantifier by binary "1", the second by "10", etc. Where all possible values have been utilised, binary “0” indicates
the highest.
4 © ISO 2003 – All rights reserved

3.1.3 Event list
NOTE: The first column shows line numbers to assist reading of the database
Table 2 — Event list
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
EVENT LIST
1. LEVEL OF SERVICE
5 traffic problem 1 D 1 U 1 A50
6 stationary traffic 101 D 1 U 1 A1
7 stationary traffic for 1 km 102 D 1 U 1 A101
8 stationary traffic for 2 km 103 D 1 U 1 A102
9 stationary traffic for 3 km 129 D 1 U 1 A103
10 stationary traffic for 4 km 104 D 1 U 1 A104
11 stationary traffic for 6 km 105 D 1 U 1 A106
12 stationary traffic for 10 km 106 D 1 U 1 A110
13 danger of stationary traffic 130 D 1 U 1 A1D
14 queuing traffic (with average speeds 108 4D 1U 1A2
Q)
15 queuing traffic for 1 km (with average 109 4D 1U 1A201
speeds Q)
16 queuing traffic for 2 km (with average 110 4D 1U 1A202
speeds Q)
17 queuing traffic for 3 km (with average 131 4D 1U 1A203
speeds Q)
18 queuing traffic for 4 km (with average 111 4D 1U 1A204
speeds Q)
19 queuing traffic for 6 km (with average 112 4D 1U 1A206
speeds Q)
20 queuing traffic for 10 km (with average 113 4D 1U 1A210
speeds Q)
21 danger of queuing traffic (with average132 4D 1U 1A2D
speeds Q)
22 long queues (with average speeds Q) 133 4 D 1 U 1 A7
23 slow traffic (with average speeds Q) 115 4 D 1 U 1 A3
24 slow traffic for 1 km (with average 116 4D 1U 1A301
speeds Q)
25 slow traffic for 2 km (with average 117 4D 1U 1A302
speeds Q)
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
26 slow traffic for 3 km (with average 134 4D 1U 1A303
speeds Q)
27 slow traffic for 4 km (with average 118 4D 1U 1A304
speeds Q)
28 slow traffic for 6 km (with average 119 4D 1U 1A306
speeds Q)
29 slow traffic for 10 km (with average 120 4D 1U 1A310
speeds Q)
30 heavy traffic (with average speeds Q) 122 4 D 1 1 A4
31 traffic heavier than normal (with 142 4 D 1 1 A11
average speeds Q)
32 traffic very much heavier than normal 143 4 D 1 1 A12
(with average speeds Q)
33 traffic flowing freely (with average 124 4 (D) 1 1 A5
speeds Q)
34 traffic building up (with average 125 4 D 1 1 A6
speeds Q)
35 traffic easing 135 (D) 1 1 A8
36 traffic congestion (with average 136 4 D 1 1 A9
speeds Q)
37 traffic congestion, average speed of 10 70 D 1 U 1 A910
km/h
38 traffic congestion, average speed of 20 71 D 1 U 1 A920
km/h
39 traffic congestion, average speed of 30 72 D 1 U 1 A930
km/h
40 traffic congestion, average speed of 40 73 D 1 U 1 A940
km/h
41 traffic congestion, average speed of 50 74 D 1 1 A950
km/h
42 traffic congestion, average speed of 60 75 D 1 1 A960
km/h
43 traffic congestion, average speed of 70 76 D 1 1 A970
km/h
44 traffic lighter than normal (with 137 4 D 1 1 A10
average speeds Q)
45 queuing traffic (with average speeds 138 4 D 1 U 1 A2.Z112
Q).  Approach with care
46 queuing traffic around a bend in the 139 D 1 U 1 A2.Z165
road
47 queuing traffic over the crest of a hill 140 D 1 U 1 A2.Z166
48 queuing traffic (with average speeds24D1U1A2.A1D
Q).  Danger of stationary traffic
49 (Q) accident(s).  Stationary traffic 215 0 D 1 U 1 B1.A1
6 © ISO 2003 – All rights reserved

Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
50 (Q) accident(s). Stationary traffic for 1 216 0D 1U 1B1.A101
km
51 (Q) accident(s). Stationary traffic for 2 217 0D 1U 1B1.A102
km
52 (Q) accident(s). Stationary traffic for 3 348 0D 1U 1B1.A103
km
53 (Q) accident(s). Stationary traffic for 4 218 0D 1U 1B1.A104
km
54 (Q) accident(s). Stationary traffic for 6 219 0D 1U 1B1.A106
km
55 (Q) accident(s). Stationary traffic for 220 0D 1U 1B1.A110
10 km
56 (Q) accident(s). Danger of stationary 221 0D 1U 1B1.A1D
traffic
57 (Q) accident(s). Queuing traffic 222 0 D 1 U 1 B1.A2
58 (Q) accident(s). Queuing traffic for 1 223 0D 1U 1B1.A201
km
59 (Q) accident(s). Queuing traffic for 2 224 0D 1U 1B1.A202
km
60 (Q) accident(s). Queuing traffic for 3 349 0D 1U 1B1.A203
km
61 (Q) accident(s). Queuing traffic for 4 225 0D 1U 1B1.A204
km
62 (Q) accident(s). Queuing traffic for 6 226 0D 1U 1B1.A206
km
63 (Q) accident(s). Queuing traffic for 10 227 0D 1U 1B1.A210
km
64 (Q) accident(s). Danger of queuing 228 0D 1U 1B1.A2D
traffic
65 (Q) accident(s). Slow traffic 229 0 D 1 U 1 B1.A3
66 (Q) accident(s). Slow traffic for 1 km 230 0 D 1 U 1 B1.A301
67 (Q) accident(s). Slow traffic for 2 km 231 0 D 1 U 1 B1.A302
68 (Q) accident(s). Slow traffic for 3 km 350 0 D 1 U 1 B1.A303
69 (Q) accident(s). Slow traffic for 4 km 232 0 D 1 U 1 B1.A304
70 (Q) accident(s). Slow traffic for 6 km 233 0 D 1 U 1 B1.A306
71 (Q) accident(s). Slow traffic for 10 km 234 0 D 1 U 1 B1.A310
72 (Q) accident(s). Heavy traffic 236 0 D 1 1 B1.A4
73 (Q) accident(s). Traffic flowing freely 238 0 (D) 1 1 B1.A5
74 (Q) accident(s). Traffic building up 239 0 D 1 1 B1.A6
75 vehicles slowing to look at (Q) 250 0D 1U 1B8.A1
accident(s). Stationary traffic
76 vehicles slowing to look at (Q) 251 0D 1U 1B8.A101
accident(s). Stationary traffic for 1 km
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
77 vehicles slowing to look at (Q) 252 0D 1U 1B8.A102
accident(s). Stationary traffic for 2 km
78 vehicles slowing to look at (Q) 352 0D 1U 1B8.A103
accident(s). Stationary traffic for 3 km
79 vehicles slowing to look at (Q) 253 0D 1U 1B8.A104
accident(s). Stationary traffic for 4 km
80 vehicles slowing to look at (Q) 254 0D 1U 1B8.A106
accident(s). Stationary traffic for 6 km
81 vehicles slowing to look at (Q) 255 0D 1U 1B8.A110
accident(s). Stationary traffic for 10
km
82 vehicles slowing to look at (Q) 256 0D 1U 1B8.A1D
accident(s). Danger of stationary
traffic
83 vehicles slowing to look at (Q) 257 0D 1U 1B8.A2
accident(s). Queuing traffic
84 vehicles slowing to look at (Q) 258 0D 1U 1B8.A201
accident(s). Queuing traffic for 1 km
85 vehicles slowing to look at (Q) 259 0D 1U 1B8.A202
accident(s). Queuing traffic for 2 km
86 vehicles slowing to look at (Q) 353 0D 1U 1B8.A203
accident(s). Queuing traffic for 3 km
87 vehicles slowing to look at (Q) 260 0D 1U 1B8.A204
accident(s). Queuing traffic for 4 km
88 vehicles slowing to look at (Q) 261 0D 1U 1B8.A206
accident(s). Queuing traffic for 6 km
89 vehicles slowing to look at (Q) 262 0D 1U 1B8.A210
accident(s). Queuing traffic for 10 km
90 vehicles slowing to look at (Q) 263 0D 1U 1B8.A2D
accident(s). Danger of queuing traffic
91 vehicles slowing to look at (Q) 208 0 (D) 1 1 B8
accident(s)
92 vehicles slowing to look at (Q) 264 0D 1U 1B8.A3
accident(s). Slow traffic
93 vehicles slowing to look at (Q) 265 0D 1U 1B8.A301
accident(s). Slow traffic for 1 km
94 vehicles slowing to look at (Q) 266 0D 1U 1B8.A302
accident(s). Slow traffic for 2 km
95 vehicles slowing to look at (Q) 354 0D 1U 1B8.A303
accident(s). Slow traffic for 3 km
96 vehicles slowing to look at (Q) 267 0D 1U 1B8.A304
accident(s). Slow traffic for 4 km
97 vehicles slowing to look at (Q) 268 0D 1U 1B8.A306
accident(s). Slow traffic for 6 km
98 vehicles slowing to look at (Q) 269 0D 1U 1B8.A310
accident(s). Slow traffic for 10 km
8 © ISO 2003 – All rights reserved

Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
99 vehicles slowing to look at (Q) 271 0 D 1 1 B8.A4
accident(s). Heavy traffic
100 vehicles slowing to look at (Q) 274 0 D 1 1 B8.A6
accident(s). Traffic building up
101 vehicles slowing to look at (Q) 355 0(D) 1U 1B8.Z91
accident(s). Danger
102 (Q) shed load(s). Stationary traffic 278 0 D 1 U 1 B10.A1
103 (Q) shed load(s). Stationary traffic for 279 0 D 1 U 1 B10.A101
1 km
104 (Q) shed load(s). Stationary traffic for 280 0 D 1 U 1 B10.A102
2 km
105 (Q) shed load(s). Stationary traffic for 356 0 D 1 U 1 B10.A103
3 km
106 (Q) shed load(s). Stationary traffic for 281 0 D 1 U 1 B10.A104
4 km
107 (Q) shed load(s). Stationary traffic for 282 0 D 1 U 1 B10.A106
6 km
108 (Q) shed load(s). Stationary traffic for 283 0 D 1 U 1 B10.A110
10 km
109 (Q) shed load(s). Danger of stationary284 0D 1U 1B10.A1D
traffic
110 (Q) shed load(s). Queuing traffic 285 0 D 1 U 1 B10.A2
111 (Q) shed load(s). Queuing traffic for 1 286 0 D 1 U 1 B10.A201
km
112 (Q) shed load(s). Queuing traffic for 2 287 0 D 1 U 1 B10.A202
km
113 (Q) shed load(s). Queuing traffic for 3 357 0 D 1 U 1 B10.A203
km
114 (Q) shed load(s). Queuing traffic for 4 288 0 D 1 U 1 B10.A204
km
115 (Q) shed load(s). Queuing traffic for 6 289 0 D 1 U 1 B10.A206
km
116 (Q) shed load(s). Queuing traffic for 290 0 D 1 U 1 B10.A210
10 km
117 (Q) shed load(s). Danger of queuing 291 0D 1U 1B10.A2D
traffic
118 (Q) shed load(s). Slow traffic 292 0 D 1 U 1 B10.A3
119 (Q) shed load(s). Slow traffic for 1 km 293 0 D 1 U 1 B10.A301
120 (Q) shed load(s). Slow traffic for 2 km 294 0 D 1 U 1 B10.A302
121 (Q) shed load(s). Slow traffic for 3 km 358 0 D 1 U 1 B10.A303
122 (Q) shed load(s). Slow traffic for 4 km 295 0 D 1 U 1 B10.A304
123 (Q) shed load(s). Slow traffic for 6 km 296 0 D 1 U 1 B10.A306
124 (Q) shed load(s). Slow traffic for 10 297 0 D 1 U 1 B10.A310
km
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
125 (Q) shed load(s). Heavy traffic 299 0 D 1 1 B10.A4
126 (Q) shed load(s). Traffic flowing freely 301 0 (D) 1 1 B10.A5
127 (Q) shed load(s). Traffic building up 302 0 D 1 1 B10.A6
128 (Q) overturned vehicle(s). Stationary 360 0D 1U 1B16.A1
traffic
129 (Q) overturned vehicle(s). Danger of 361 0D 1U 1B16.A1D
stationary traffic
130 (Q) overturned vehicle(s). Queuing 362 0D 1U 1B16.A2
traffic
131 (Q) overturned vehicle(s). Danger of 363 0D 1U 1B16.A2D
queuing traffic
132 (Q) overturned vehicle(s). Slow traffic 364 0 D 1 U 1 B16.A3
133 (Q) overturned vehicle(s). Heavy 366 0 D 1 1 B16.A4
traffic
134 (Q) overturned vehicle(s). Traffic 368 0 D 1 1 B16.A6
building up
135 Stationary traffic due to (Q) earlier 379 0D 1U 1B22.A1
accident(s)
136 Danger of stationary traffic due to (Q) 380 0D 1U 1B22.A1D
earlier accident(s)
137 Queuing traffic due to (Q) earlier 381 0D 1U 1B22.A2
accident(s)
138 Danger of queuing traffic due to (Q) 382 0D 1U 1B22.A2D
earlier accident(s)
139 Slow traffic due to (Q) earlier 383 0D 1U 1B22.A3
accident(s)
140 Heavy traffic due to (Q) earlier 385 0 D 1 1 B22.A4
accident(s)
141 Traffic building up due to (Q) earlier 387 0 D 1 1 B22.A6
accident(s)
142 (Q) broken down vehicle(s). 313 0D 1U 1B11.A1
Stationary traffic
143 (Q) broken down vehicle(s). Danger of314 0D 1U 1B11.A1D
stationary traffic
144 (Q) broken down vehicle(s). Queuing 315 0D 1U 1B11.A2
traffic
145 (Q) broken down vehicle(s). Danger of316 0D 1U 1B11.A2D
queuing traffic
146 (Q) broken down vehicle(s). Slow 317 0D 1U 1B11.A3
traffic
147 (Q) broken down vehicle(s). Heavy 319 0 D 1 1 B11.A4
traffic
148 (Q) broken down vehicle(s). Traffic 321 0 (D) 1 1 B11.A5
flowing freely
10 © ISO 2003 – All rights reserved

Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
149 (Q) broken down vehicle(s). Traffic 322 0 D 1 1 B11.A6
building up
150 closed ahead. Stationary traffic 410 D 1 U 1 C3.A1
151 closed ahead. Stationary traffic for 1 411 D 1 U 1 C3.A101
km
152 closed ahead. Stationary traffic for 2 412 D 1 U 1 C3.A102
km
153 closed ahead. Stationary traffic for 3 495 D 1 U 1 C3.A103
km
154 closed ahead. Stationary traffic for 4 413 D 1 U 1 C3.A104
km
155 closed ahead. Stationary traffic for 6 414 D 1 U 1 C3.A106
km
156 closed ahead. Stationary traffic for 10 415 D 1 U 1 C3.A110
km
157 closed ahead. Danger of stationary 416 D 1 U 1 C3.A1D
traffic
158 closed ahead. Queuing traffic 417 D 1 U 1 C3.A2
159 closed ahead. Queuing traffic for 1 km 418 D 1 U 1 C3.A201
160 closed ahead. Queuing traffic for 2 km 419 D 1 U 1 C3.A202
161 closed ahead. Queuing traffic for 3 km 496 D 1 U 1 C3.A203
162 closed ahead. Queuing traffic for 4 km 420 D 1 U 1 C3.A204
163 closed ahead. Queuing traffic for 6 km 421 D 1 U 1 C3.A206
164 closed ahead. Queuing traffic for 10 422 D 1 U 1 C3.A210
km
165 closed ahead. Danger of queuing 423 D 1 U 1 C3.A2D
traffic
166 closed ahead. Slow traffic 424 D 1 U 1 C3.A3
167 closed ahead. Slow traffic for 1 km 425 D 1 U 1 C3.A301
168 closed ahead. Slow traffic for 2 km 426 D 1 U 1 C3.A302
169 closed ahead.  Slow traffic for 3 km 497 D 1 U 1 C3.A303
170 closed ahead. Slow traffic for 4 km 427 D 1 U 1 C3.A304
171 closed ahead. Slow traffic for 6 km 428 D 1 U 1 C3.A306
172 closed ahead. Slow traffic for 10 km 429 D 1 U 1 C3.A310
173 closed ahead. Heavy traffic 431 D 1 U 1 C3.A4
174 closed ahead. Traffic flowing freely 433 (D) 1 U 1 C3.A5
175 closed ahead. Traffic building up 434 D 1 U 1 C3.A6
176 blocked ahead. Stationary traffic 438 D 1 U 1 C4.A1
177 blocked ahead. Stationary traffic for 1 439 D 1 U 1 C4.A101
km
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
178 blocked ahead. Stationary traffic for 2 440 D 1 U 1 C4.A102
km
179 blocked ahead. Stationary traffic for 3 498 D 1 U 1 C4.A103
km
180 blocked ahead. Stationary traffic for 4 441 D 1 U 1 C4.A104
km
181 blocked ahead. Stationary traffic for 6 442 D 1 U 1 C4.A106
km
182 blocked ahead. Stationary traffic for 443 D 1 U 1 C4.A110
10 km
183 blocked ahead. Danger of stationary 444 D 1 U 1 C4.A1D
traffic
184 blocked ahead. Queuing traffic 445 D 1 U 1 C4.A2
185 blocked ahead. Queuing traffic for 1 446 D 1 U 1 C4.A201
km
186 blocked ahead. Queuing traffic for 2 447 D 1 U 1 C4.A202
km
187 blocked ahead. Queuing traffic for 3 499 D 1 U 1 C4.A203
km
188 blocked ahead. Queuing traffic for 4 448 D 1 U 1 C24.A204
km
189 blocked ahead. Queuing traffic for 6 449 D 1 U 1 C4.A206
km
190 blocked ahead. Queuing traffic for 10 450 D 1 U 1 C4.A210
km
191 blocked ahead. Danger of queuing 451 D 1 U 1 C4.A2D
traffic
192 blocked ahead. Slow traffic 452 D 1 U 1 C4.A3
193 blocked ahead. Slow traffic for 1 km 453 D 1 U 1 C4.A301
194 blocked ahead. Slow traffic for 2 km 454 D 1 U 1 C4.A302
195 blocked ahead. Slow traffic for 3 km 626 D 1 U 1 C4.A303
196 blocked ahead. Slow traffic for 4 km 455 D 1 U 1 C4.A304
197 blocked ahead. Slow traffic for 6 km 456 D 1 U 1 C4.A306
198 blocked ahead. Slow traffic for 10 km 457 D 1 U 1 C4.A310
199 blocked ahead. Heavy traffic 459 D 1 U 1 C4.A4
200 blocked ahead. Traffic flowing freely 461 (D) 1 U 1 C4.A5
201 blocked ahead. Traffic building up 462 D 1 U 1 C4.A6
202 (Q) lanes closed. Stationary traffic 521 0 D 1 U 1 D1.A1
203 (Q) lanes closed. Stationary traffic for 522 0 D 1 U 1 D1.A101
1 km
204 (Q) lanes closed. Stationary traffic for 523 0 D 1 U 1 D1.A102
2 km
12 © ISO 2003 – All rights reserved

Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
205 (Q) lanes closed. Stationary traffic for 651 0 D 1 U 1 D1.A103
3 km
206 (Q) lanes closed. Stationary traffic for 524 0 D 1 U 1 D1.A104
4 km
207 (Q) lanes closed. Stationary traffic for 525 0 D 1 U 1 D1.A106
6 km
208 (Q) lanes closed. Stationary traffic for 526 0 D 1 U 1 D1.A110
10 km
209 (Q) lanes closed. Danger of stationary527 0D 1U 1D1.A1D
traffic
210 (Q) lanes closed. Queuing traffic 528 0 D 1 U 1 D1.A2
211 (Q) lanes closed. Queuing traffic for 1 529 0 D 1 U 1 D1.A201
km
212 (Q) lanes closed. Queuing traffic for 2 530 0 D 1 U 1 D1.A202
km
213 (Q) lanes closed. Queuing traffic for 3 652 0 D 1 U 1 D1.A203
km
214 (Q) lanes closed. Queuing traffic for 4 531 0 D 1 U 1 D1.A204
km
215 (Q) lanes closed. Queuing traffic for 6 532 0 D 1 U 1 D1.A206
km
216 (Q) lanes closed. Queuing traffic for 533 0 D 1 U 1 D1.A210
10 km
217 (Q) lanes closed. Danger of queuing 534 0D 1U 1D1.A2D
traffic
218 (Q) lanes closed. Slow traffic 535 0 D 1 U 1 D1.A3
219 (Q) lanes closed. Slow traffic for 1 km 536 0 D 1 U 1 D1.A301
220 (Q) lanes closed. Slow traffic for 2 km 537 0 D 1 U 1 D1.A302
221 (Q) lanes closed. Slow traffic for 3 km 653 0 D 1 U 1 D1.A303
222 (Q) lanes closed. Slow traffic for 4 km 538 0 D 1 U 1 D1.A304
223 (Q) lanes closed. Slow traffic for 6 km 539 0 D 1 U 1 D1.A306
224 (Q) lanes closed. Slow traffic for 10 540 0 D 1 U 1 D1.A310
km
225 (Q) lanes closed. Heavy traffic 542 0 D 1 1 D1.A4
226 (Q)lanes closed. Traffic flowing freely 544 0 (D) 1 1 D1.A5
227 (Q)lanes closed. Traffic building up 545 0 D 1 1 D1.A6
228 carriageway reduced (from Q lanes) to546 0D 1U 1D15.A1
one lane. Stationary traffic
229 carriageway reduced (from Q lanes) to547 0D 1U 1D15.A1D
one lane. Danger of stationary traffic
230 carriageway reduced (from Q lanes) to548 0D 1U 1D15.A2
one lane. Queuing traffic
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
231 carriageway reduced (from Q lanes) to549 0D 1U 1D15.A2D
one lane. Danger of queuing traffic
232 carriageway reduced (from Q lanes) to550 0D 1U 1D15.A3
one lane. Slow traffic
233 carriageway reduced (from Q lanes) to 552 0 D 1 1 D15.A4
one lane. Heavy traffic
234 carriageway reduced (from Q lanes) to 554 0 (D) 1 1 D15.A5
one lane. Traffic flowing freely
235 carriageway reduced (from Q lanes) to 555 0 D 1 1 D15.A6
one lane. Traffic building up
236 carriageway reduced (from Q lanes) to556 0D 1U 1D16.A1
two lanes. Stationary traffic
237 carriageway reduced (from Q lanes) to557 0D 1U 1D16.A1D
two lanes. Danger of stationary traffic
238 carriageway reduced (from Q lanes) to558 0D 1U 1D16.A2
two lanes. Queuing traffic
239 carriageway reduced (from Q lanes) to559 0D 1U 1D16.A2D
two lanes. Danger of queuing traffic
240 carriageway reduced (from Q lanes) to560 0D 1U 1D16.A3
two lanes. Slow traffic
241 carriageway reduced (from Q lanes) to 562 0 D 1 1 D16.A4
two lanes. Heavy traffic
242 carriageway reduced (from Q lanes) to 564 0 (D) 1 1 D16.A5
two lanes. Traffic flowing freely
243 carriageway reduced (from Q lanes) to 565 0 D 1 1 D16.A6
two lanes. Traffic building up
244 carriageway reduced (from Q lanes) to566 0D 1U 1D17.A1
three lanes. Stationary traffic
245 carriageway reduced (from Q lanes) to567 0D 1U 1D17.A1D
three lanes. Danger of stationary
traffic
246 carriageway reduced (from Q lanes) to568 0D 1U 1D17.A2
three lanes. Queuing traffic
247 carriageway reduced (from Q lanes) to569 0D 1U 1D17.A2D
three lanes. Danger of queuing traffic
248 carriageway reduced (from Q lanes) to570 0D 1U 1D17.A3
three lanes. Slow traffic
249 carriageway reduced (from Q lanes) to 572 0 D 1 1 D17.A4
three lanes. Heavy traffic
250 carriageway reduced (from Q lanes) to 574 0 (D) 1 1 D17.A5
three lanes. Traffic flowing freely
251 carriageway reduced (from Q lanes) to 575 0 D 1 1 D17.A6
three lanes. Traffic building up
252 contraflow. Stationary traffic 576 D 1 U 1 D18.A1
253 contraflow. Stationary traffic for 1 km 577 D 1 U 1 D18.A101
14 © ISO 2003 – All rights reserved

Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
254 contraflow. Stationary traffic for 2 km 578 D 1 U 1 D18.A102
255 contraflow. Stationary traffic for 3 km 654 D 1 U 1 D18.A103
256 contraflow. Stationary traffic for 4 km 579 D 1 U 1 D18.A104
257 contraflow. Stationary traffic for 6 km 580 D 1 U 1 D18.A106
258 contraflow. Stationary traffic for 10 km 581 D 1 U 1 D18.A110
259 contraflow. Danger of stationary traffic 582 D 1 U 1 D18.A1D
260 contraflow. Queuing traffic 583 D 1 U 1 D18.A2
261 contraflow. Queuing traffic for 1 km 584 D 1 U 1 D18.A201
262 contraflow. Queuing traffic for 2 km 585 D 1 U 1 D18.A202
263 contraflow. Queuing traffic for 3 km 655 D 1 U 1 D18.A203
264 contraflow. Queuing traffic for 4 km 586 D 1 U 1 D18.A204
265 contraflow. Queuing traffic for 6 km 587 D 1 U 1 D18.A206
266 contraflow. Queuing traffic for 10 km 588 D 1 U 1 D18.A210
267 contraflow. Danger of queuing traffic 589 D 1 U 1 D18.A2D
268 contraflow. Slow traffic 590 D 1 U 1 D18.A3
269 contraflow. Slow traffic for 1 km 591 D 1 U 1 D18.A301
270 contraflow. Slow traffic for 2 km 592 D 1 U 1 D18.A302
271 contraflow. Slow traffic for 3 km 656 D 1 U 1 D18.A303
272 contraflow. Slow traffic for 4 km 593 D 1 U 1 D18.A304
273 contraflow. Slow traffic for 6 km 594 D 1 U 1 D18.A306
274 contraflow. Slow traffic for 10 km 595 D 1 U 1 D18.A310
275 contraflow. Heavy traffic 597 D 1 1 D18.A4
276 contraflow. Traffic flowing freely 599 (D) 1 1 D18.A5
277 contraflow. Traffic building up 600 D 1 1 D18.A6
278 narrow lanes. Stationary traffic 604 D 1 U 1 D19.A1
279 narrow lanes. Danger of stationary 605 D 1 U 1 D19.A1D
traffic
280 narrow lanes. Queuing traffic 606 D 1 U 1 D19.A2
281 narrow lanes. Danger of queuing 607 D 1 U 1 D19.A2D
traffic
282 narrow lanes. Slow traffic 608 D 1 U 1 D19.A3
283 narrow lanes. Heavy traffic 610 D 1 1 D19.A4
284 narrow lanes. Traffic flowing freely 612 (D) 1 1 D19.A5
285 narrow lanes. Traffic building up 613 D 1 1 D19.A6
286 contraflow with narrow lanes. 614 D 1 U 1 D18.D19.A
Stationary traffic 1
287 contraflow with narrow lanes. Danger 615 D 1 U 1 D18.D19.A
of stationary traffic 1D
Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
288 contraflow with narrow lanes. Queuing 616 D 1 U 1 D18.D19.A
traffic 2
289 contraflow with narrow lanes. Danger 617 D 1 U 1 D18.D19.A
of queuing traffic 2D
290 contraflow with narrow lanes. Slow 618 D 1 U 1 D18.D19.A
traffic 3
291 contraflow with narrow lanes. Heavy 620 D 1 1 D18.D19.A
traffic 4
292 contraflow with narrow lanes. Traffic 622 (D) 1 1 D18.D19.A
flowing freely 5
293 contraflow with narrow lanes. Traffic 623 D 1 1 D18.D19.A
building up 6
294 (Q sets of) roadworks. Stationary 710 0D 1U 1E1.A1
traffic
295 (Q sets of) roadworks. Stationary 711 0D 1U 1E1.A101
traffic for 1 km
296 (Q sets of) roadworks. Stationary 712 0D 1U 1E1.A102
traffic for 2 km
297 (Q sets of) roadworks. Stationary 812 0D 1U 1E1.A103
traffic for 3 km
298 (Q sets of) roadworks. Stationary 713 0D 1U 1E1.A104
traffic for 4 km
299 (Q sets of) roadworks. Stationary 714 0D 1U 1E1.A106
traffic for 6 km
300 (Q sets of) roadworks. Stationary 715 0D 1U 1E1.A110
traffic for 10 km
301 (Q sets of) roadworks. Danger of 716 0D 1U 1E1.A1D
stationary traffic
302 (Q sets of) roadworks. Queuing traffic 717 0 D 1 U 1 E1.A2
303 (Q sets of) roadworks. Queuing traffic 718 0D 1U 1E1.A201
for 1 km
304 (Q sets of) roadworks. Queuing traffic 719 0D 1U 1E1.A202
for 2 km
305 (Q sets of) roadworks. Queuing traffic 813 0D 1U 1E1.A203
for 3 km
306 (Q sets of) roadworks. Queuing traffic 720 0D 1U 1E1.A204
for 4 km
307 (Q sets of) roadworks. Queuing traffic 721 0D 1U 1E1.A206
for 6 km
308 (Q sets of) roadworks. Queuing traffic 722 0D 1U 1E1.A210
for 10 km
309 (Q sets of) roadworks. Danger of 723 0D 1U 1E1.A2D
queuing traffic
310 (Q sets of) roadworks. Slow traffic 724 0 D 1 U 1 E1.A3
16 © ISO 2003 – All rights reserved

Line Text Code N Q T D U C R
(CEN-English, see Explanatory
notes)
311 (Q sets of) roadworks. Slow traffic for 725 0D 1U 1E1.A301
1 km
312 (Q sets of) roadworks. Slow traffic for 726 0D 1U 1E1.A302
2 km
313 (Q sets of) roadworks. Slow traffic for 814 0D 1U 1E1.A303
3 km
314 (Q sets of) roadworks. Slow traffic for 727 0D 1U 1E1.A304
4 km
315 (Q sets of) roadworks. Slow traffic for 728 0D 1U 1E1.A306
6 km
316 (Q sets of) roadworks. Slow traffic for 729 0D 1U 1E1.A310
10 km
317 (Q sets of) roadworks. Heavy traffic 731 0 D 1 1 E1.A4
318 (Q sets of) roadworks. Traffic flowing 733 0 (D) 1 1 E1.A5
freely
319 (Q sets of) roadworks. Traffic building 734 0 D 1 1 E1.A6
up
320 (Q sections of) resurfacing work. 750 0D 1U 1E4.A1
Stationary traffic
321 (Q sections of) resurfacing work. 751 0D 1U 1E4.A101
Stationary traffic for 1 km
322 (Q sections of) resurfacing work. 752 0D 1U 1E4.A102
Stationary traffic for 2 km
323 (Q sections of) resurfacing work. 818 0D 1U 1E4.A103
Stationary traffic for 3 km
...