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Road signs in Tanzania are based on the SADC Road Traffic Signs Manual,^[1][2][3] a document designed to harmonise traffic signs in member states of the Southern Africa Development Community. They are regulated in A Guide to Traffic Signing governed by the Ministry of Infrastructure Development.^[4][5] Tanzanians drive on the left.

Tanzania has adopted the SADC system of traffic signs, which conforms to the international conventions on traffic signing.

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  Stop
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  Stop. Two stop
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  Stop. But drivers turning left must give way / yield
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  Stop (3-way)
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  Stop (4-way)
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  Stop / Go manual control sign
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  Give Way / Yield
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  Give Way / Yield to pedestrians
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  Give way / Yield to Equestrians
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  Give way / Yield to pedestrians and equestrians
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  Give Way / Yield at roundabout
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  No entry
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  One-way roadway
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  One-way roadway
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  One-way roadway
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  Pedestrian priority zone
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  Give Way / Yield to oncoming traffic

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  Minimum speed limit
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  Vehicles exceeding 10 tonnes GVM only
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  Keep Left
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  Keep Right
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  Turn Left
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  Turn Right
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  Proceed Straight
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  Turn left ahead
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  Turn right ahead
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  Pedestrians only
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  Cyclists only
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  Cyclists and pedestrians only
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  Cyclists and pedestrians only
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  Cyclists and pedestrians only
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  Cyclists and pedestrians only
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  Motorcycles only
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  Motorcars only
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  Taxis only
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  Mini-buses only
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  Midi-buses only
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  Buses only
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  Delivery vehicles only
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  Goods vehicles exceeding 3500 kg only
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  Goods vehicles exceeding 10 tonnes GVM only
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  Construction vehicles only
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  Vehicles transporting dangerous substances only
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  Abnormal vehicles only
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  Rickshaws only
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  Tour buses only
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  Agricultural vehicles only
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  Animal-drawn vehicles only
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  Toll road
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  Switch headlamps on
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  Buses and mini-buses only
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  Buses and midi-buses only
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  Buses, midi-buses and mini-buses only
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  Roundabout
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  Trams only
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  Buses and trams only
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  Buses, trams and mini-buses only

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  Speed limit of 5 km/h
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  Speed limit of 10 km/h
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  Speed limit of 20 km/h
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  Speed limit of 30 km/h
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  Speed limit of 40 km/h
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  Speed limit of 50 km/h
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  Speed limit of 60 km/h
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  Speed limit of 70 km/h
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  Speed limit of 75 km/h
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  Speed limit of 80 km/h
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  Speed limit of 90 km/h
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  Speed limit of 100 km/h
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  Speed limit of 120 km/h
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  Vehicles exceeding 12 tonnes GVM prohibited
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  End of weight limit
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  Vehicles exceeding 2 tonnes on a single axle prohibited
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  Vehicles exceeding 4.42 metres in height prohibited
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  Vehicles exceeding 15 metres in length prohibited
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  Excessive noise prohibited / Hooting prohibited
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  Hitch-hiking prohibited
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  Unauthorised vehicles prohibited
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  Left turn prohibited ahead
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  Right turn prohibited ahead
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  Left turn prohibited
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  Right turn prohibited
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  U-turn prohibited
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  Overtaking prohibited
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  Overtaking prohibited for heavy vehicles
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  Parking prohibited
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  Stopping prohibited
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  Pedestrians prohibited
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  Cyclists prohibited
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  Cyclists and pedestrians prohibited
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  Motorcycles prohibited
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  Motorcars prohibited
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  Taxis prohibited
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  Mini-buses prohibited
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  Midi-buses prohibited
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  Buses prohibited
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  Delivery vehicles prohibited
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  Goods vehicles exceeding 3500 kg prohibited
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  Goods vehicles exceeding 10 tonnes GVM prohibited
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  Construction vehicles prohibited
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  Vehicles transporting dangerous substances prohibited
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  Abnormal vehicles prohibited
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  Rickshaws prohibited
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  Tour buses prohibited
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  Agricultural vehicles prohibited
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  Animal-drawn vehicles prohibited
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  Horses and riders prohibited
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  Vehicles exceeding 2.1 metres in width prohibited
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  Towed vehicles prohibited
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  Hawkers prohibited
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  Motorcycles and motorcars prohibited
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  Vehicles exceeding 12 tonnes on a tandem axle / bogie axle prohibited

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  Reserved for buses
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  Reserved lane for buses
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  Start of a reserved lane for buses
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  Reserved lane for bicycles
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  Reserved for motorcycles
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  Reserved for motorcars
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  Reserved for taxis
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  Reserved for mini-buses
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  Reserved for midi-buses
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  Reserved for delivery vehicles
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  Reserved for goods vehicles
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  Reserved for goods vehicles exceeding 10 tonnes GVM
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  Reserved for construction vehicles
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  Reserved for vehicles transporting dangerous substances
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  Reserved for abnormal vehicles
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  Reserved for rickshaws
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  Reserved for tour buses
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  Reserved for high-occupancy vehicles
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  Reserved for ambulances / emergency vehicles
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  Reserved for police vehicles
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  Reserved for vehicles carrying disabled passengers
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  Reserved for diplomatic vehicles
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  Reserved for buses and mini-buses
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  Reserved lane for buses and mini-buses
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  Start of a reserved lane for buses and mini-buses
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  Reserved for buses and midi-buses
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  Reserved lane for buses and midi-buses
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  Start of a reserved lane for buses and midi-buses
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  Reserved for buses, midi-buses and mini-buses
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  Reserved lane for buses, midi-buses and mini-buses
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  Start of a reserved lane for buses, midi-buses and mini-buses
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  Reserved lane for high-occupancy vehicles
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  Start of a reserved lane for high-occupancy vehicles
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  Reserved for trams
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  Reserved lane for trams
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  Start of a reserved lane for trams
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  Reserved for buses and trams
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  Reserved lane for buses and trams
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  Start of a reserved lane for buses and trams
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  Reserved for buses, trams and mini-buses
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  Reserved lane for buses, trams and mini-buses
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  Start of a reserved lane for buses, trams and mini-buses
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  Reserved lane for buses
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  Reserved lane for buses and mini-buses
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  Reserved lane for buses and trams
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  Reserved lane for buses, trams and mini-buses
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  Reserved lane for high-occupancy vehicles
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  Reserved lane for authorised vehicles
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  Reserved lane for authorised vehicles

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  Parking for buses
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  Parking for bicycles
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  Parking
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  Parking with a 60-minute limit
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  Parking for motorcycles
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  Parking for motorcars
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  Parking for taxis
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  Parking for mini-buses
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  Parking for midi-buses
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  Parking for delivery vehicles
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  Parking for goods vehicles
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  Parking for goods vehicles exceeding 10 tonnes GVM
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  Parking for construction vehicles
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  Parking for vehicles transporting dangerous substances
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  Parking for abnormal vehicles
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  Parking for rickshaws
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  Parking for tour buses
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  Parking for high-occupancy vehicles
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  Parking for ambulances / emergency vehicles
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  Parking for police vehicles
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  Parking for vehicles carrying disabled passengers
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  Parking for diplomatic vehicles
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  Parking for buses and mini-buses
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  Parking for buses and midi-buses
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  Parking for buses, midi-buses and mini-buses

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  Dual-carriageway freeway begins
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  Single-carriageway freeway begins
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  Living Street / Woonerf begins

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  Applies during the specified hours
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  Applies during the specified hours
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  Applies during the specified days and hours
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  Applies during the specified days and hours
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  Parking is permitted within the days and hours specified, with a 30-minute limit
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  Parking is permitted within the hours specified, with a 60-minute limit
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  Applies during the day-time hours
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  Applies during the night-time hours
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  Applies to the left
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  Applies to the right
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  Applies to the left and right
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  Pay and display parking
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  Applies to vehicles exceeding 16 tonnes GVM
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  Applies to motorcycles with an engine size up to 125 cc
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  Traffic requiring local access also permitted
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  Applies for 5 kilometres
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  Maximum number of spaces in a parking reservation
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  Applies to buses
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  Applies to cyclists
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  Applies to motorcycles
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  Applies to motorcars
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  Applies to taxis
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  Applies to mini-buses
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  Applies to midi-buses
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  Applies to delivery vehicles
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  Applies to goods vehicles
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  Applies to goods vehicles exceeding 10 tonnes GVM
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  Applies to construction vehicles
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  Applies to vehicles transporting dangerous substances
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  Applies to abnormal vehicles
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  Applies to rickshaws
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  Applies to tour buses
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  Applies to high-occupancy vehicles
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  Applies to ambulances / emergency vehicles
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  Applies to police vehicles
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  Applies to vehicles carrying disabled passengers
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  Applies to diplomatic vehicles
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  Applies to agricultural vehicles
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  Applies to animal-drawn vehicles
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  Applies to towed vehicles
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  Applies to trams

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  End of minimum speed limit
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  End of toll route
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  Switch headlamps off
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  End of dual-carriage freeway
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  End of single-carriage freeway
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  End of living street / woonerf

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  Crossroad ahead
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  Crossroad ahead with priority
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  Crossroad ahead without priority
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  T-junction ahead
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  Skewed T-junction ahead
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  Skewed T-junction ahead
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  Side-road junction ahead
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  Side-road junction ahead
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  Staggered side-road junctions ahead
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  Staggered side-road junctions ahead
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  Sharp junction ahead
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  Sharp junction ahead
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  Sharp junction ahead
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  Sharp junction ahead
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  Fork ahead
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  Dual-carriageway ends ahead
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  Dual-carriageway ends ahead
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  Dual-carriageway begins ahead
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  Dual-carriageway begins ahead
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  Roundabout ahead
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  Gentle curve ahead
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  Gentle curve ahead
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  Sharp curve ahead
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  Sharp curve ahead
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  Hairpin curve ahead
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  Hairpin curve ahead
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  Winding road ahead
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  Winding road ahead
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  Series of curves ahead
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  Series of curves ahead
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  Two-way traffic ahead
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  Two-way traffic crossing ahead
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  Right lane ends ahead
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  Left lane ends ahead
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  Concealed driveway ahead
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  Concealed driveway ahead
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  Concealed driveways ahead
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  Traffic signal ahead
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  Stop control ahead
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  Give Way / Yield control ahead
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  Pedestrian crossing ahead
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  Pedestrians ahead
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  Children ahead
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  Cyclists ahead
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  Cattle ahead
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  Horses ahead
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  Sheep ahead
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  Deer ahead
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  Gate ahead
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  Motor gate ahead on right
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  Motor gate ahead on left
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  Motor gate ahead
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  Railway crossing ahead
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  Tunnel ahead
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  Height restriction ahead
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  Length restriction ahead
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  Steep descent ahead
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  Steep ascent ahead
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  Slow moving heavy vehicles ahead
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  Unpaved road surface ahead
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  Narrow bridge ahead
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  Single vehicle width passage ahead
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  Roadway narrows from both sides ahead
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  Roadway narrows from the right side ahead
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  Roadway narrows from the left side ahead
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  Uneven road surface ahead
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  Speed hump ahead
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  Slippery road ahead
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  Falling rocks ahead
• 
  Falling rocks ahead
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  Warning
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  "Danger" flashing light sign
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  Unprotected jetty edge or river bank ahead
• 
  Crosswinds ahead
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  Drift / Ford ahead
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  Low flying aircraft ahead
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  Agricultural vehicles ahead
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  Reduced visibility ahead
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  Traffic congestion ahead
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  Horse riders ahead
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  Elephants ahead
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  Warthogs ahead
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  Hippos ahead
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  Width restriction ahead
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  Danger of electrical shock
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  Trams ahead
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  Paved road surface ahead
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  Moveable bridge ahead
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  Railway crossing
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  Railway crossing with 2 or more tracks
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  Sharp curve marker
• 
  Sharp curve marker
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  Sharp curve marker
• 
  Sharp curve marker
• 
  T-junction marker
• 
  Dead end or road closure marker
• 
• 
• 
  Gore marker
• 
  Gore marker
• 
• 

• 
  Dead end
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  Dead end
• 
  Dead end
• 
  Right-of-way
• 
  Co-ordinated traffic signals at indicated speed
• 
  Multi-phase traffic signals
• 
  Bus stop ahead
• 
  Bus stop
• 
  Bus stop for all buses
• 
  Bus stop for authorised buses with line number
• 
  Bus stop for authorised buses with line numbers
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  Mini-bus stop
• 
  Mini-bus stop
• 
  Mini-bus stop for authorised mini-buses with line number
• 
  Mini-bus stop for authorised mini-buses with line numbers
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  Right-of-way over oncoming vehicles
• 
  Information centre
• 
  Park and Ride
• 
  Park and Ride
• 
  Modal transfer point
• 
  Modal transfer point
• 
  Modal transfer point
• 
  Pedestrian crossing
• 
  Pedestrian crossing (old)

• 
  Speed limit of 120 km/h during the day
• 
  Speed limit of 100 km/h during the night

The following signs are exactly the same as their standard version (as above), however, are replaced with a yellow background to indicate that they are temporary (e.g. for use during construction)

• Road signs in Angola
• Road signs in Botswana
• Road signs in Namibia
• Road signs in South Africa

Wikimedia Commons has media related to Road signs in Tanzania.