Road signs in Vietnam

Road signs in Vietnam follow Chinese and French road signs. Some signs are written in both Vietnamese and English. The signs are prescribed by the Ministry of Transportation of Vietnam.^[1]

Vietnam acceded to the Vienna Convention on Road Signs and Signals on August 20, 2014.^[2]

Prohibition signs

101: Closed to all vehicles
102: No entry
103a: No cars
103b: No right turn for cars
103c: No left turn for cars
104: No motorcycles
105: No motor vehicles
106a: No trucks
106b: No commercial vehicles above designated weight
106c: No vehicles carrying dangerous goods
107: No buses or trucks
107a: No buses
107b: No taxis
108: No trailers
108a: No trailers
109: No tractors
110a: No bicycles
110b: No tricycles
111a: No mopeds
111b: No motor tricycles
111c: No motorcycles with side-cars
111d: No pedal tricycles
112: No pedestrians
113: No handcarts
114: No animal-drawn carts
115: Gross vehicle weight limit
116: Weight limit per axle
117: Height limit
118: Width limit
119: Length limit
120: Length limit
121: Minimum distance between your vehicle and the vehicle in front
122: Stop
123a: No left turn
123b: No right turn
124a1: No U-turn (left)
124a2: No U-turn (right)
124b1: No U-turn for cars
124b2: No U-turn for cars
124c: No left turn or U-turn
124d: No right turn or U-turn
124e: No left turn or U-turn for cars
124f: No right turn or U-turn for cars
125: No overtaking
126: No overtaking by trucks
127: Maximum speed limit (20 km/h)
127: Maximum speed limit (30 km/h)
127: Maximum speed limit (40 km/h)
127: Maximum speed limit (50 km/h)
127: Maximum speed limit (60 km/h)
127: Maximum speed limit (70 km/h)
127: Maximum speed limit (80 km/h)
127: Maximum speed limit (90 km/h)
127a: Night-time speed limit
127b: Speed limits per lane
127c: Speed limits and vehicle classes allowed per lane
127d: End of different speed limits per lane
127e: End of different speed limits and vehicle classes allowed per lane
128: No honking
129: Checkpoint
130: No stopping
131a: No parking
131b: No parking on odd-numbered days
131c: No parking on even-numbered days
132: give way to oncoming traffic on narrow roads
133: End of the overtaking prohibition
134: End of the previously signed speed limit
135: End of all previously signed prohibitions
136: No straight ahead
137: No left or right turn
138: No proceeding straight ahead or left turn
139: No proceeding straight ahead or right turn
140: No agricultural vehicles or similar vehicles

Warning signs

201a: Curve to left
201b: Curve to right
201c: Curve to the left with a danger of vehicle rollover
201d: Curve to the right with a danger of vehicle rollover
202a: Double curve first to left
202b: Double curve first to right
203a: Road narrows ahead on both sides
203b: Road narrows ahead on the left side
203c: Road narrows ahead on the right side
204: Two-way traffic
205a: Crossroad
205b: Side road junction on the right
205c: Side road junction on the left
205d: T-junction
205e:Y-junction
206: Roundabout ahead
207a: Road junction with priority
207b: Road junction with priority
207c: Road junction with priority
207d: Road junction with priority
207e: Road junction with priority
207f: Road junction with priority
207g: Road junction with priority
207h: Road junction with priority
207i: Road junction with priority
207j: Road junction with priority
207k: Road junction with priority
207l: Road junction with priority
207m: Road junction with priority
208: Give way
209: Traffic lights ahead
210: Railway crossing with gates ahead
211a: Railway crossing gates without ahead
211b: Tramway
212: Narrow bridge
213: Temporary bridge
214: Opening bridge
215a: Unprotected quayside of riverbank
215b: Embankment along the right side of the road
215c: Embankment along the left side of the road
216a: Ford
216b: Ford susceptible to flash flooding
217: Ferry
218: Underpass
219: Steep descent
220: Steep ascent
221a: Uneven road
221b: Hump
222a: Slippery road
222b: Dangerous shoulder
223a: Dangerous cliff on the right
223b: Dangerous cliff on the left
224: Pedestrian crossing ahead
225: Children
226a: Bicycle crossing
227: Construction ahead
228a: Falling rocks from the left
228b: Falling rocks from the right
228c: Loose road surface
228d: Weak road
229: Low-flying aircraft
230: Cattle or livestock animals
231: Deer or wild animals
232: Crosswinds
233: Other danger
234: Two-way traffic
235: Divided highway / dual carriageway begins
236: End of divided highway / dual carriageway
237: Hump bridge
238: Expressway ahead
239a: Overhead electrical cables
240: Tunnel ahead
241: Traffic congestion
242a: Single track railway crossing
242b: Multitrack railway crossing
243a: Countdown beacon of the distance to a railroad crossing ahead (50m)
243b: Countdown beacon of the distance to a railroad crossing ahead (100m)
243c: Countdown beacon of the distance to a railroad crossing ahead (150m)
244: Accident-prone area
245a: Slow
245b: Slow (with additional sign)
246a: Traffic obstruction ahead - may pass on either side
246b: Traffic obstruction ahead - pass on the left
246a: Traffic obstruction ahead - pass on the right
247: Watch out for the pulled over car ahead

Mandatory signs

301a: Go straight
301b: Turn right
301c: Turn left
301i: Turn left or right only
302a: Keep right
302b: Keep left
302c: Pass on either side
306: Minimum speed limit
307: End of the minimum speed limit
308a: Overpass route
308b: Overpass route
403a: Road for motor vehicles
403b: Road for motor vehicles and motorcycles
403e: Road for motorcycles

RE signs

11a: Start of tunnel
11b: End of tunnel

Information signs

401: Main road
402: End of the main road
405a: Dead end street on the right
405b: Dead end street on the left
405c: Dead end
406: Priority over oncoming traffic
407a: One way street
407b: One way street
407c: One way street
408: Parking
408a: Parking sign with a diagram of how to position your vehicle
409: U-turn permitted
410: Turning area
413a: One way street with a contraflow lane for buses
413b: One way street with a contraflow lane for buses
413c: One way street with a contraflow lane for buses
415: Arrows indicate direction.
416: Bypasses.
418: Alternative route where a turn is prohibited
419a: Boundary sign
419b: Boundary sign for external roads
420: Start of residential area
421: End of residential area
422a: Historical site
422b: Historical site
423a: Pedestrian crossing
423b: Pedestrian crossing
423c: Walking path
426: First aid
427a: Repair shop
427b: Vehicle load check station
429: Car wash
430: Telephone
434a: Bus stop / station
434b: Truck stop / station
435: Tram stop / station
436: Traffic police station
439: Bridge information
440: Section of road ahead is under construction
441a: Distance to a construction site ahead
441b: Distance to a construction site ahead
441c: Distance to a construction site ahead
442: Market
443: This sign is placed on vehicles pulling a trailer
446: Handicap
448: Escape lane
449: Asian Highway Shield

Information signs on the expressway

450a: Indicate the distance to the intersection with the entrance path to the expressway
450b: Diagram directions to the highway access road.
451a: Distance indication to expressway entrance.
451b: Expressway entrance directions.
452 : Speed limit on Expressway
453a: Distance indication to the end of expressway.
453b: Expressway end point indication.
464b: Directions to exit.
465: Indication of location and distance.
466: Show one-way exit diagrams at all intersections on the road expressway.
471 : Instructions for keeping a safe driving distance.
472a :Indication of the distance to the toll booth.
472b :Indication of the distance to the toll booth.
472c :Toll collection does not stop.
472d : Take card
472e : Pay toll.
473: Deceleration instructions.
474: Exit instructions.