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Home»Safe Driving»Traffic Regulatory Signs and Their Meanings. Restriction and Command Signs
28 August 2026

Traffic Regulatory Signs and Their Meanings. Restriction and Command Signs

Traffic Regulatory Signs and Their Meanings

This article covers Turkish regulatory traffic signs. We’ll look at the regulatory signs found inside a red circle and inside a blue circle, and what each one means. (In Turkish, these are called “tanzim” signs, meaning “regulation/order” signs.) This is written as driving-school lecture notes for anyone preparing for a driving test.

  • Regulatory Traffic Signs
    • Red Regulatory Traffic Signs
    • Blue Regulatory Signs

Traffic signs can be studied in three categories.

  • Warning signs 
  • Regulatory signs
  • Informational signs

Regulatory Traffic Signs

We already covered warning signs in this article. Now let’s look at what regulatory signs are:

Red Regulatory Traffic Signs

give way sign, red triangle pointing down

Give Way Sign
A red triangle pointing downward. It indicates approach to an intersection from a minor road. Drivers must give priority to traffic on the major road before entering the intersection.

stop sign

Stop Sign
Indicates approach to an intersection from a minor road. Drivers must come to a full stop at the entrance of the intersection, then give priority to traffic on the major road (if any) before proceeding.

give way to oncoming traffic sign, black arrow and red arrow

Give way to oncoming traffic
Used where a two-way road is too narrow for two vehicles to pass safely; indicates that priority must be given to vehicles coming from the opposite direction.

no entry sign, white bar on a red circle

No Entry
A white bar on a red circle. Meaning: vehicles must not enter a one-way road section from the wrong direction.

road closed to vehicular traffic, red circle traffic sign meaning

Road Closed to Vehicular Traffic
Red circle
Indicates the road is closed to vehicular traffic in both directions.

closed to motor vehicle traffic except motorcycles

Closed to Motor Vehicle Traffic Except Motorcycles
A car inside a red circle. Meaning: the road is closed to motor vehicle traffic in both directions (motorcycles excepted).

regulatory traffic sign, no motorcycles

No Motorcycles
This regulatory sign means motorcycles are prohibited from entering this road.

no bicycles traffic sign

No Bicycles Sign
Meaning: cyclists are prohibited from entering this road.

no mopeds traffic sign

No Mopeds
A regulatory sign indicating mopeds are prohibited from entering this road.

no trucks

No Trucks
A traffic sign indicating trucks are prohibited from entering this road.

no buses

No Buses
A regulatory sign indicating buses are prohibited from entering this road.

no trailers sign

No Trailers
Indicates that trucks with trailers, or wheeled tractors towing trailers, are prohibited from entering this road.

no pedestrians traffic sign

No Pedestrians Sign
A traffic sign indicating pedestrians are prohibited from entering this road.

no horse-drawn carts sign and meaning

No Horse-Drawn Carts
Meaning: a sign indicating horse-drawn carts are prohibited from entering this road.

no handcarts sign and meaning

No Handcarts
This traffic sign states that handcarts are prohibited from entering this road.

vehicles carrying more than a specified amount of explosive or flammable material prohibited

No Vehicles Carrying More Than the Specified Amount of Explosive or Flammable Material
Such vehicles are prohibited from entering areas like bridges, culverts, tunnels, and underpasses.

vehicles carrying water-polluting material prohibited

No Vehicles Carrying More Than the Specified Amount of Water-Polluting Material
Vehicles carrying more than the specified amount of water-polluting material are prohibited from entering this area.

no vehicles sign

No Vehicles Sign
Indicates that all vehicles except bicycles, mopeds, and handcarts are prohibited from entering this road.

vehicles wider than specified width prohibited

No Vehicles Wider Than … m
Meaning: vehicles wider than the width indicated on the sign are prohibited from entering this road.

vehicles with loaded weight over specified tons prohibited sign

No Vehicles With Loaded Weight Over … Tons
Vehicles whose loaded weight exceeds the amount shown on the sign are prohibited, as they would damage the road or structures on it such as bridges, culverts, and pipes.

vehicles taller than specified height prohibited

No Vehicles Taller Than … m
Vehicles that, including their load, exceed the height shown on the sign are prohibited from entering this road.

vehicles longer than specified length prohibited

No Vehicles Longer Than … m
This sign means vehicles longer than the length shown on the sign are prohibited from entering this road.

no vehicles with axle load over specified tons

No Vehicles With Axle Load Over … Tons
Vehicles whose axle weight exceeds the amount shown on the sign are prohibited, as they would damage the road.

do not follow the vehicle ahead closer than specified distance sign

Do Not Follow the Vehicle Ahead Closer Than … m
Due to road and traffic conditions (slippery roads, loose surfaces, etc.), the following distance between vehicles is restricted.
It may not be less than the figure shown on the sign.

no u-turn sign

No U-turn
Meaning: turning maneuvers of any kind are prohibited here. Drivers may not make a U-turn at this location.

no right turn traffic sign

No Right Turn
This traffic sign means turning right at the next intersection ahead is prohibited. Drivers may not turn right at that intersection.

no left turn traffic sign

No Left Turn
This traffic sign means turning left at the next intersection ahead is prohibited. Drivers may not turn left at that intersection.

no overtaking sign

No Overtaking
All vehicles traveling in the direction the sign indicates are prohibited from overtaking the vehicle ahead. They may overtake again after passing an “end of no-overtaking zone” sign.

no overtaking for trucks sign

No Overtaking for Trucks
 Trucks are prohibited from overtaking the vehicle ahead. They may overtake again after passing an “end of no-overtaking zone” sign.

maximum speed limit traffic sign

Maximum Speed Limit
Meaning: indicates the maximum speed limit, or reminds drivers of speed limits below it. Drivers must not exceed the speed limit shown on the sign.

use of horn prohibited

Use of Horn Prohibited
Meaning: using the audible warning device (horn) is prohibited unless necessary.

do not pass without stopping - customs sign

Customs — Do Not Pass Without Stopping
Found at border crossings with customs facilities. Indicates drivers must stop for customs inspection.

end of all restrictions sign

End of All Prohibitions and Restrictions
A diagonal black line inside a circle. Meaning: this sign indicates that all previously posted prohibitions and restrictions have ended.

end of speed limit sign

End of Speed Limit
Indicates the speed limit posted earlier on the road has ended. Drivers may continue at the maximum speed permitted for their vehicle type after this sign.

end of no-overtaking zone sign

End of No-Overtaking Zone
A black diagonal line between two vehicles. Indicates the previously posted no-overtaking restriction has ended. If conditions allow, drivers may now overtake the vehicle ahead in accordance with traffic rules.

end of no-overtaking zone for trucks sign

End of No-Overtaking Zone for Trucks
Indicates the previously posted no-overtaking restriction for trucks has ended. If conditions allow, truck drivers may now overtake the vehicle ahead in accordance with traffic rules.

Blue Regulatory Signs

mandatory right turn traffic sign

Mandatory Right Turn
A white arrow pointing right on a blue circle. Meaning: at intersections where some roads are one-way, or in areas temporarily open for use like a service road, traffic must turn right here.

mandatory left turn sign

Mandatory Left Turn
A white arrow pointing left on a blue circle. Meaning: at intersections where some roads are one-way, or in areas temporarily open for use like a service road, traffic must turn left here.

mandatory straight ahead traffic sign

Mandatory Straight Ahead
A white arrow pointing up on a blue circle. Meaning: at intersections where some roads are one-way, or in areas temporarily open for use like a service road, traffic must proceed straight ahead here. 

mandatory straight ahead or right turn sign

Mandatory Straight Ahead or Right Turn
Meaning: where right turns at an intersection are protected by a turn island, or in areas temporarily open for use like a service road, traffic must proceed straight ahead or turn right here.

keep right traffic sign

Keep Right Sign and Meaning
Placed at the start of medians on divided roads, or in front of other traffic islands and fixed obstacles on the road surface; indicates traffic must pass to the right of the median, island, or fixed obstacle.

mandatory straight ahead or left turn sign

Mandatory Straight Ahead or Left Turn
At intersections where some roads are one-way, or in areas temporarily open for use like a service road, traffic must proceed straight ahead or turn left here.

blue traffic sign, mandatory right or left turn

Mandatory Right or Left Turn
Where certain directions are closed to traffic, or at intersections and areas temporarily open for use like a service road, traffic must turn right or left here.

pass on either side sign

Pass on Either Side — Meaning
Placed in front of a median, island, or fixed obstacle located on the traffic-facing part of the road. Indicates traffic may pass on either side of the median, island, or fixed obstacle.

mandatory minimum speed sign

Mandatory Minimum Speed Sign
To keep traffic flowing above a certain minimum, this sign prohibits driving below the speed limit shown.

mandatory pedestrian path sign

Mandatory Pedestrian Path
Indicates that this road, in whole or in part, is reserved solely for pedestrian use. Other vehicles are prohibited from entering.

roundabout - go around the island sign and meaning

Go Around the Island — Meaning
At roundabout entrances, shows the direction of travel around the central island, and (unless otherwise indicated) means that vehicles already circulating around the island have priority.

mandatory bicycle path sign

Mandatory Bicycle Path
Indicates that this road, in whole or in part, is reserved solely for cyclists. Other vehicles are prohibited from entering.

end of mandatory minimum speed sign

End of Mandatory Minimum Speed
Indicates the conditions imposed by the earlier mandatory minimum speed sign have ended.

snow chains mandatory sign

Snow Chains Mandatory
Indicates that snow chains must be fitted, with at least two drive wheels required to carry chains.

end of mandatory snow chains

End of Mandatory Snow Chains
Indicates the conditions requiring snow chains have ended, and chains may be removed.

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