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Traffic signs

Traffic rules

Mandatory signs

A mandatory sign is a traffic sign that tells drivers what they must do. Instead of prohibiting actions, these signs impose obligations such as following a specific direction, using a particular lane, or keeping a minimum speed. Their purpose is to guide traffic safely and efficiently by ensuring that all road users follow the same required behavior in places where it is necessary for order and safety.

Turning left mandatory.

Turning right mandatory.

Passing left mandatory.

Passing right mandatory.

Driving straight ahead mandatory.

Mandatory lane for trucks.

Begin of a minimum speed.

1. Turning left mandatory

This traffic sign indicates turning left is mandatory. It means all traffic must turn left at the next intersection or junction. Going straight or turning right is prohibited. This ensures controlled traffic flow and safety at intersections.

2. Turning right mandatory

This traffic sign indicates turning right is mandatory. It means that all traffic must turn right at the upcoming intersection or junction. Going straight or left is not allowed.

3. Passing left mandatory

This traffic sign indicates passing left is mandatory. It means that all traffic must pass to the left of an obstacle, traffic island, or roadworks. Passing on the right is not allowed unless otherwise indicated. Common near central reservations, islands, or construction zones.

4. Passing right mandatory

This traffic sign indicates passing right is mandatory. It means that all traffic must pass to the right of an obstacle, such as a traffic island, construction barrier, or roadwork. Passing on the left is prohibited unless otherwise directed. Commonly placed before medians, barriers, or roadworks.

5. Driving straight ahead mandatory

This traffic sign indicates driving straight ahead is mandatory, turning left or right is not allowed. It means that vehicles must continue straight — turning left or right is not allowed.

6. Mandatory lane for trucks

This traffic sign indicates the begin of a lane for trucks. It means that trucks must use a specific lane, typically for safety, traffic flow, or regulatory reasons. Other vehicles are usually not permitted in this lane unless otherwise indicated. Helps manage heavy vehicle traffic and improves road safety.

7. Begin of a minimum speed

This traffic sign indicates the begin of a minimum speed. It means that all vehicles must travel at or above a specified minimum speed — driving slower is prohibited, unless traffic, weather, or emergency conditions justify it. Aimed at preventing slow-moving vehicles from obstructing traffic. Exceptions allowed in case of danger, congestion, or poor conditions. Common Locations: motorways, tunnels, high-speed lanes or expressways.