Meaning of the use of danger and warning signs in Vietnam

Meaning of the use of danger and warning signs in Vietnam​ (Image from Internet)

Regarding this issue, LawNet explains as follows:

1. Purpose of danger and warning signs in Vietnam

According to Article 31 of QCVN 41:2019/BGTVT, danger and warning signs are used to inform road users in advance about the nature of the danger or precautions needed on the road.

When encountering danger and warning signs, road users must reduce their speed to the necessary level, pay attention to observation, and be prepared to handle possible situations to prevent accidents.

2. Meaning of using danger and warning signs in Vietnam

According to Article 32 of QCVN 41:2019/BGTVT, danger and warning signs have code W with the names of the signs as follows:

- Sign number W.201 (a,b): Dangerous curve;

- Sign number W.201 (c,d): Dangerous curve with a risk of overturning;

- Sign number W.202 (a,b): Multiple consecutive dangerous curves;

- Sign number W.203 (a,b,c): Road narrowing;

- Sign number W.204: Two-way road;

- Sign number W.205 (a,b,c,d,e): Intersection;

- Sign number W.206: Roundabout;

- Sign number W.207 (a, b, c, d, e, f, g, h, i, k, l): Intersection with non-priority road (branch road);

- Sign number W.208: Intersection with priority road (main road);

- Sign number W.209: Intersection with traffic lights;

- Sign number W.210: Intersection with railway with barriers;

- Sign number W.211a: Intersection with railway without barriers;

- Sign number W.211b: Intersection with tram line;

- Sign number W.212: Narrow bridge;

- Sign number W.213: Temporary bridge;

- Sign number W.214: Swing bridge - Lifting bridge;

- Sign number W.215a: Steep cliff ahead;

- Sign number W.215 (b,c): Steep cliff on the right side of the road; Steep cliff on the left side of the road;

- Sign number W.216a: Ford;

- Sign number W.216b: Flood-prone ford;

- Sign number W.217: Ferry;

- Sign number W.218: Tunnel;

- Sign number W.219: Dangerous downhill;

- Sign number W.220: Dangerous uphill;

- Sign number W.221a: Rough road;

- Sign number W.221b: Speed bump;

- Sign number W.222a: Slippery road;

- Sign number W.222b: Dangerous shoulder;

- Sign number W.223 (a,b): Dangerous cliff;

- Sign number W.224: Pedestrian crossing;

- Sign number W.225: Children;

- Sign number W.226: Bicycle crossing;

- Sign number W.227: Construction site;

- Sign number W.228 (a,b): Falling rocks;

- Sign number W.228c: Rolling stones;

- Sign number W.228d: Weak road base;

- Sign number W.229: Aircraft landing zone;

- Sign number W.230: Livestock;

- Sign number W.231: Wild animals crossing;

- Sign number W.232: Crosswind;

- Sign number W.233: Other dangers;

- Sign number W.234: Intersection with a two-way road;

- Sign number W.235: Dual carriageway;

- Sign number W.236: End of dual carriageway;

- Sign number W.237: Humpback bridge;

- Sign number W.238: Highway ahead;

- Sign number W.239a: Overhead power line;

- Sign number W.239b: Actual clearance height;

- Sign number W.240: Tunnel;

- Sign number W.241: Traffic congestion;

- Sign number W.242 (a,b): Perpendicular rail-road crossing;

- Sign number W.243 (a,b,c): Non-perpendicular rail-road crossing;

- Sign number W.244: Accident-prone section;

- Sign number W.245 (a,b): Slow down (a), Slow down with English instructions (b);

- Sign number W.246 (a,b,c): Caution obstacle;

- Sign number W.247: Caution parked car.

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