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Weight limitChina

An introduction to the traffic rules and road signs of China. Learn about driving, road safety and much more in our illustrated book, with answers to frequently asked questions.

For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.

Traffic signs
Traffic rules
China

29. Weight limit

A weight limit prohibits vehicles or vehicle combinations whose mass exceeds the value shown from entering or passing a road section, bridge, tunnel or other structure. Depending on local law, the restriction may concern the vehicle’s actual loaded mass, maximum authorised mass or load on an individual axle.

Drivers must know which type of mass the sign refers to and must include the vehicle, passengers, cargo and any trailer where required. A vehicle that exceeds the limit must use another suitable route.

Weight-limit road sign along a mountain road. (China)
Wikimedia.org • xue siyang • CC BY-SA
What should you do if your vehicle exceeds a bridge weight limit in mainland China?

Do not drive onto the bridge. Follow the signed alternative route and check the vehicle’s gross and axle loads as applicable. A general heavy-vehicle permit does not automatically authorise crossing every restricted bridge.

🔗 xzfg.moj.gov.cn • Mainland China — Law Article 48; current sign mass measurement provision not fully retrieved

🔗 jtgl.beijing.gov.cn • Beijing Traffic Police — full Road Traffic Safety Law, 2021 amended text

🔗 samr.gov.cn • SAMR — full implementing Regulations, 2017 amended text

🔗 szjj.sz.gov.cn • Shenzhen Traffic Police — official sign categories and their functions

🔗 openstd.samr.gov.cn • SAMR — current GB 5768.2-2022 status, not the full standard

🔗 std.sacinfo.org.cn • SAC — published first sign-standard amendment, effective 1 January 2026

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