Road signs in Iran

Road signs in Iran are regulated by both INSO standard 14815-1 and 14815-2.^[1][2] They generally follow the Vienna Convention on Road Signs and Signals and their designs both influenced by British and German road signage designs.

Road signs are divided in three categories:

• Regulatory signs;
• Warning signs;
• Information signs.

Iran signed the Vienna Convention on Road Signs and Signals on November 8, 1968 and ratified it on May 21, 1976.^[3]

• Warning for bends
• Bend to the right
• Bend to the left
• Double bend, first to the right
• Double bend, first to the left
• Junction
• Crossroad with priority
• Side road with priority from the right
• Side road with priority from the left
• Roundabout
• Dangerous descent (10%)
• Dangerous climb (10%)
• Road narrows (both sides)
• Road narrows (right side)
• Uneven road
• Caution, speed bump
• Danger of skidding
• Two-way traffic
• Traffic light
• Animals (domesticated)
• Wild animals
• Crosswind
• Loose gravel
• Rockfall
• Pedestrian crossing ahead
• Pedestrians
• Children
• School
• Caution for bicyclists
• Aircraft (landing corridor above road)
• Caution, tunnel
• Other hazard
• Caution, queues likely
• Be careful in winter
• Tramway
• Caution, fog likely
• Caution, accident black spot
• Soft verge
• Level crossing with gates or barriers
• Level crossing without gates or barriers
• Distance marker (150 m)
• Distance marker (100 m)
• Distance marker (50 m)
• Warning, single-track railway crossing
• Warning, multiple-track railway crossing

• Stop
• Give way/yield
• Priority road
• End of priority road
• Priority before the oncoming traffic
• Priority of the oncoming traffic

• Road closed to all vehicles in both directions
• No entry
• No right turn
• No left turn
• No U-turn
• No cars
• No lorries
• No buses
• No tractors
• No motorcycles
• No cycling
• No animal-drawn vehicles
• No handcarts
• No motor vehicles
• No entry for motorised or animal-drawn vehicles
• No vehicles heavier than indicated
• No vehicles with axle weight greater than indicated
• No vehicles wider than indicated
• No vehicles taller than indicated
• No vehicles or combinations longer than indicated
• No vehicles carrying hazardous cargo
• No vehicles carrying water-polluting cargo
• Speed limit (80 km/h)
• End of speed limit
• No overtaking
• End of no-overtaking zone
• No overtaking by lorries
• End of no-overtaking zone for lorries
• No use of audible warning signals
• End of all prohibitions
• Stop to pay toll duty
• No stopping
• No parking
• No pedestrians
• No animal riders
• No vehicles towing trailers
• Safe distance (70 m)

• Ahead only
• Turn right ahead
• Turn left ahead
• Turn right here
• Turn left here
• Keep right
• Keep left
• Pass either side
• Ahead or right only
• Ahead or left only
• Turn left or right
• One way
• Roundabout
• Snow chains compulsory
• Minimum speed limit
• End of minimum speed limit
• Pedestrian zone
• Cycleway
• Route for animal riders (bridleway)

• Freeway marker
• Expressway marker
• Road marker
• Street marker
• Avenue and boulevard marker
• Roundabout marker
• Sign ahead plaque (200 m, on top of the all signs)
• Sign ahead plaque (2 km, on top of the all signs)
• Different speed limitations in several roads
• Minimum speed in different lanes
• Bus lane ahead
• Vehicles carrying hazardous cargo turn left
• Directional sign
• Pedestrian crossing

• Road narrows (both sides)
• Uneven road
• Danger of skidding
• Two-way traffic
• Traffic light
• Roadworks
• Loose gravel
• Soft verge
• Other dangers

• Freeway
• Highway