Road markings & signage

Command signs are essential elements in road traffic systems designed to enforce specific actions or behaviors from road users. These signs provide clear instructions that must be followed to maintain safety and order on the roads. Each command sign serves a unique purpose, directing different types of vehicles and pedestrians to act in specific ways or use certain routes.

Specific Command Signs

R101: Minimum Speed Sign

The R101 minimum speed sign mandates the minimum speed that vehicles must travel on a specific road or highway. This sign ensures that traffic moves efficiently and prevents vehicles from driving too slowly, which can cause congestion and potential accidents.

R102: Vehicles Exceeding Mass Only Sign

The R102 sign designates lanes or roads for vehicles exceeding a certain mass limit. It is commonly used to direct heavy trucks and large vehicles to specific routes, preventing them from using roads that may not be suitable for their weight.

R103: Keep Left Sign

The R103 keep left sign instructs drivers to stay in the left lane. This sign is often used in countries where driving on the left is standard, helping to maintain a smooth flow of traffic and reduce the risk of collisions.

R104: Keep Right Sign

The R104 keep right sign directs drivers to stay in the right lane. It is used in countries where driving on the right is standard, ensuring orderly traffic flow and minimizing accidents.

R105: Proceed Left Only Sign

The R105 proceed left only sign directs vehicles to make a left turn only. This sign is used at intersections or specific points on the road where turning left is the only permitted option.

R106: Proceed Right Only Sign

The R106 proceed right only sign instructs drivers to turn right only. It is placed at intersections or designated road areas where right turns are mandatory.

R107: Proceed Straight Only Sign

The R107 proceed straight only sign indicates that vehicles must continue straight ahead. This sign is used at intersections or junctions to prevent turns and ensure a steady flow of traffic.

R108: Turn Left Sign

The R108 turn left sign directs drivers to make a left turn. It is used at intersections or points where a left turn is necessary to follow the road regulations.

R109: Turn Right Sign

The R109 turn right sign instructs drivers to make a right turn. It ensures that vehicles turn right at designated points to maintain traffic order and safety.

R110: Pedestrians Only Sign

The R110 pedestrians only sign designates areas exclusively for pedestrian use. It is commonly found in pedestrian zones, crosswalks, and areas where vehicle access is prohibited to protect pedestrian safety.

R111: Pedal Cycles Only Sign

The R111 pedal cycles only sign designates paths or lanes for bicycles. It helps to separate cyclists from motor vehicles, enhancing safety for both cyclists and drivers.

R112, R113, R114 & R115: Pedal Cycles & Pedestrians Only Sign

These signs designate areas or paths shared by both cyclists and pedestrians. They are used in mixed-use zones where both groups are allowed, ensuring that both can coexist safely.

R116: Motor Cycles Only Sign

The R116 motor cycles only sign indicates lanes or areas designated exclusively for motorcycles. It helps to segregate motorcycles from other vehicles, improving safety and traffic flow.

R117: Motor Cars Only Sign

The R117 motor cars only sign designates lanes or roads for use by motor cars only. It helps to manage traffic by directing cars to specific routes.

R118: Taxis Only Sign

The R118 taxis only sign reserves lanes or areas for taxis. This sign is often used at taxi ranks or lanes to facilitate efficient taxi services.

R119: Minibuses Only Sign

The R119 minibuses only sign designates areas or lanes for minibuses. It helps in managing public transportation by providing dedicated routes for minibuses.

R120: Midibus Only Sign

The R120 midibus only sign indicates lanes or areas for midibuses. This sign aids in organizing traffic by directing midibuses to specific routes.

R121: Buses Only Sign

The R121 buses only sign reserves lanes or areas for buses. It ensures that buses can operate efficiently, especially in congested urban areas.

R122: Delivery Vehicles Only Sign

The R122 delivery vehicles only sign designates areas or lanes for delivery vehicles. It helps in managing commercial traffic and ensuring that delivery vehicles can access necessary locations.

R123: Goods Vehicles Only Sign

The R123 goods vehicles only sign designates lanes or roads for goods vehicles. It helps to manage heavy and commercial traffic, ensuring that goods vehicles use appropriate routes.

R124: Goods Vehicles Over Indicated GVM Only Sign

The R124 sign designates lanes or areas for goods vehicles over a certain Gross Vehicle Mass (GVM). It directs heavy vehicles to suitable roads, preventing them from using routes that cannot support their weight.

R125: Construction Vehicles Only Sign

The R125 construction vehicles only sign designates lanes or areas for construction vehicles. It ensures that construction traffic is managed properly and directed to appropriate routes.

R126: Vehicles Conveying Dangerous Goods Only Sign

The R126 sign designates lanes or areas for vehicles transporting dangerous goods. It helps in managing hazardous materials by directing these vehicles to safe and suitable routes.

R127: Abnormal Vehicles Only Sign

The R127 abnormal vehicles only sign designates lanes or areas for oversized or unusual vehicles. It ensures that these vehicles use routes that can accommodate their size and requirements.

R128: Rickshaws Only Sign

The R128 rickshaws only sign designates areas or lanes for rickshaws. It helps in managing rickshaw traffic, especially in areas where they are a common mode of transport.

R129: Tour Buses Only Sign

The R129 tour buses only sign reserves areas or lanes for tour buses. It helps in managing tourist traffic and ensuring that tour buses can operate efficiently.

R130: Agricultural Vehicles Only Sign

The R130 agricultural vehicles only sign designates lanes or areas for agricultural vehicles. It ensures that these vehicles use appropriate routes, preventing them from causing congestion on regular roads.

R131: Animal-Drawn Vehicles Only Sign

The R131 animal-drawn vehicles only sign designates lanes or areas for animal-drawn vehicles. It helps to manage traffic involving these traditional modes of transport.

R132: Pay Toll Sign

The R132 pay toll sign indicates that vehicles must pay a toll to use the road or bridge. It helps in managing toll collection and ensuring that drivers are aware of the requirement.

R133: Switch Head Lamps On Sign

The R133 switch head lamps on sign instructs drivers to turn on their headlights. It is used in areas where visibility may be poor, such as tunnels or during adverse weather conditions.

R134: Buses & Minibuses Only Sign

The R134 sign designates lanes or areas for both buses and minibuses. It helps in managing public transportation by providing dedicated routes for these vehicles.

R135: Buses & Midibuses Only Sign

The R135 sign indicates lanes or areas for both buses and midibuses. It aids in organizing traffic by directing these public transport vehicles to specific routes.

R136: Buses, Midibuses & Minibuses Only Sign

The R136 sign reserves lanes or areas for buses, midibuses, and minibuses. It ensures that all these public transport vehicles can operate efficiently on designated routes.

R137: Roundabout Sign

The R137 roundabout sign indicates the presence of a roundabout ahead. It instructs drivers to yield to traffic already in the roundabout and proceed in a counterclockwise direction.

R138: Trams Only Sign

The R138 trams only sign designates lanes or tracks for trams. It helps to segregate tram traffic from other vehicles, ensuring safe and efficient tram operations.

R139: Buses & Trams Only Sign

The R139 sign designates lanes or areas for both buses and trams. It helps in managing public transportation by providing dedicated routes for these modes of transport.

R140: Buses, Trams & Minibuses Only Sign

The R140 sign reserves lanes or areas for buses, trams, and minibuses. It ensures that all these public transport vehicles can operate efficiently on designated routes.

Conclusion

Command signs are vital for maintaining safety, order, and efficiency on the roads. They provide clear and enforceable instructions to various road users, ensuring that traffic flows smoothly and that specific vehicles and pedestrians are directed appropriately. Understanding and adhering to these command signs is essential for all road users to contribute to a safe and well-regulated transportation system.