GB 5768.9-2025Road traffic signs and markings - Part 9: Traffic accident management area (English PDF)

Foreword

This document was issued on 30 June 2025 by the State Administration for Market Regulation and the Standardization Administration of the People's Republic of China, and has been in force since 1 January 2026.

It is the first edition of this standard.

Classification: ICS 03.220.20, CCS R80.

1 Scope

This document specifies the general provisions and installation requirements for traffic

signs in traffic accident management area.

This document applies to the placement of traffic signs during on-site handling of fatal

road traffic accidents or expressway traffic accidents. It may also be used as a reference

for the on-site handling of other road traffic accidents.

2 Normative references

The following referenced documents are indispensable for the application of this

document. For dated references, only the edition cited applies. For undated references,

the latest edition of the referenced document (including any amendments) applies.

GB 5768.2, Road traffic signs and markings -- Part 2: Road traffic signs

GB/T 18833-2012, Retroreflective sheeting for traffic control

GB/T 24720, Traffic cones

GB/T 28651, Road temporary traffic signs

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

3.1 traffic accident management area

An area where temporary traffic management measures are implemented to ensure the

safety of on-site operations following a road traffic accident, prevent secondary

accidents, and maintain road traffic order.

An area located upstream of a road traffic accident site - relative to the direction of

approaching traffic - where warnings are issued to oncoming vehicles and speed limits are enforced.

An area designated at the scene of a road traffic accident where the entry of

unauthorized vehicles and personnel is prohibited.

4 General provisions

4.1 Traffic signs for traffic accident management area (hereinafter referred to as "traffic

signs") are temporary traffic signs that include warning signs, prohibitory signs, and

supplementary signs. Specifically, warning signs include traffic accident management

signs, alignment markers, and two-way traffic signs; prohibitory signs include speed

limit signs, speed limit cancellation signs, and "No Entry" signs.

4.2 Traffic accident management signs are used to warn that on-site handling of a road

traffic accident is underway on the road ahead. Drivers shall slow down, stop and wait,

or detour, as shown in Figure 1.

Figure 1 -- Traffic accident management signs

4.3 Linear delineators are used to guide the direction of travel and alert drivers to

exercise caution and pay attention to changes in road conditions ahead. They shall

feature three arrows, as shown in Figure 2.

Figure 2 -- Linear delineator

4.4 Traffic accident management signs shall feature a fluorescent fire-red background,

black text, and a black border. The chromaticity coordinate range for the fluorescent

fire-red color shall comply with the provisions of Annex A. The colors of other traffic ......