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GB 23826-2025: Light-emitting diode variable speed limit signs of motorway
Status: Valid GB 23826: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 23826-2025 | English | 699 |
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Light-emitting diode variable speed limit signs of motorway
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GB 23826-2025
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| GB 23826-2009 | English | 588 |
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light-emitting diode changeable speed limit signs of expressway
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GB 23826-2009
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PDF similar to GB 23826-2025
Basic data | Standard ID | GB 23826-2025 (GB23826-2025) | | Description (Translated English) | Light-emitting diode variable speed limit signs of motorway | | Sector / Industry | National Standard | | Classification of Chinese Standard | R85 | | Classification of International Standard | 03.220.20, 93.080.30 | | Word Count Estimation | 34,322 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | GB 23826-2009 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 23826-2025: Light-emitting diode variable speed limit signs of motorway---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 03.220.20;93.080.30
CCSR85
National Standard of the People's Republic of China
Replaces GB 23826-2009
Highway LED variable speed limit signs
Released on 2025-04-25
2025-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Composition, classification and model 2
5 Technical Requirements 3
6 Test methods 9
7 Inspection Rules 14
8 Marking, packaging, transportation and storage 16
Appendix A (Normative) Variable speed limit sign structure dimensions and structure diagram 18
Appendix B (Normative) 16-dot character font diagram 29
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB 23826-2009 "LED variable speed limit signs for highways". Compared with GB 23826-2009, except for the structural adjustment,
In addition to the integration and editorial changes, the main technical changes are as follows.
a) Added the terms and definitions of “highway LED variable speed limit sign”, “static visual distance” and “dynamic visual distance” (see
3.1~3.3);
b) The contents of composition, classification and model have been changed (see Chapter 4, Chapter 4 of the.2009 edition);
c) The requirements for ambient temperature adaptability level have been changed (see 5.1.3, 5.1.3 of the.2009 edition);
d) The technical requirements for normal luminous intensity and half-intensity angle of a single LED have been changed (see 5.2.2, 5.2.2 and 5.2.3 of the.2009 edition);
e) Added technical requirements and test methods for single LED deviation angle (see 5.2.2 and 6.2.2);
f) Changed the appearance quality requirements of the controller (see 5.4.3, 5.4.4 of the.2009 edition);
g) The technical requirements for chassis color have been changed (see 5.5.1, 5.5.1 of the.2009 edition);
h) Added technical requirements and test methods for screen brightness (see 5.6 and 6.6);
i) The technical requirements and test methods for visual distance have been changed (see 5.7.2 and 6.7.3, 5.6.2 and 6.7.5 of the.2009 edition).
6.7.6);
j) Added technical requirements and test methods for power factor (see 5.8 and 6.8);
k) The technical requirements and test methods for power adaptability have been changed (see 5.9.4 and 6.9.4, 5.7.4 and 6.8.4 of the.2009 edition);
l) The technical requirements and test methods for protection levels have been changed (see 5.10 and 6.10, 5.7.6 and 6.8.6 of the.2009 edition);
m) Added technical requirements and test methods for electromagnetic compatibility performance (see 5.11 and 6.11);
n) The technical requirements and test methods for communication interfaces and procedures have been changed (see 5.13 and 6.13, 5.9 and 6.10 of the.2009 edition);
o) The technical requirements and test methods for environmental adaptability performance have been changed (see 5.14.1, 5.14.3 to 5.14.5 and 6.14.1, 6.14.3 to
6.14.5, 5.10.1~5.10.4 and 6.11.1~6.11.4 of the.2009 edition);
p) Added technical requirements and test methods for low temperature storage resistance (see 5.14.2 and 6.14.2);
q) The technical requirements and test methods of functional requirements have been changed (see 5.16 and 6.16, 5.12 and 6.13 of the.2009 edition);
r) The test method for luminous color has been changed (see 6.5.3, 6.6.2 of the.2009 edition);
s) Added test methods for lightning protection and overvoltage protection (see 6.9.6);
t) The test method for mechanical properties has been changed (see 6.12, 6.9 of the.2009 edition);
u) The contents of the structural dimensions and structural drawings have been changed (see Appendix A, Appendix A of the.2009 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the Ministry of Transport of the People's Republic of China.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2009 as GB 23826-2009;
---This is the first revision.
Highway LED variable speed limit signs
1 Scope
This document specifies the composition, classification and model, technical requirements, inspection regulations, and other requirements of variable speed limit signs for highway light emitting diodes (LEDs).
The test methods are described, as well as labeling, packaging, transportation and storage.
This document applies to the production and product quality inspection of LED variable speed limit signs for highways.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature
GB/T 2423.3 Environmental testing Part 2.Test method Test Cab. Steady state damp heat test
GB/T 2423.10 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal)
GB/T 2423.17 Environmental testing Part 2.Test methods Test Ka. Salt spray
GB/T 2423.22 Environmental testing Part 2.Test method Test N. Temperature change
GB/T 3681.1 Plastics solar radiation exposure test method Part 1.General
GB/T 4208-2017 Enclosure protection degree (IP code)
GB/T 5080.7 Equipment reliability test - Failure rate and mean time between failures under the assumption of constant failure rate - Verification test plan
GB 5768.2 Road traffic signs and markings Part 2.Road traffic signs
GB/T 7922 Measurement method of lighting source color
GB/T 9254.2 Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers Part 2.Immunity requirements
GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3.Radio frequency electromagnetic field radiation immunity test
GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test
GB/T 18802.11 Low voltage surge protective device (SPD) Part 11.Performance requirements and specifications of surge protective devices for low voltage power supply systems
Test methods
GB/T 22040 Weather resistance requirements and test methods for plastic products of highway facilities
GB/T 23828 LED variable message signs on highways
GB/T 34428.1 Communication procedures for highway monitoring facilities Part 1.General procedures
GB/T 34428.3 Communication regulations for highway monitoring facilities Part 3.LED variable message signs
3 Terms and definitions
The terms and definitions defined in GB/T 23828 and the following apply to this document.
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