![This traffic sign indicates that all drivers must turn left, other directions are not allowed. Turning left mandatory.](/img/north-america/us/signs/mandatory/mandatory-direction-ahead-turn-left.png)
Turning left mandatory.
![This traffic sign indicates that all drivers must turn right, other directions are not allowed. Turning right mandatory.](/img/north-america/us/signs/mandatory/mandatory-direction-ahead-turn-right.png)
Turning right mandatory.
![This traffic sign indicates that all drivers must pass the traffic sign on the left. The traffic sign is used to mark obstructions, such as traffic islands or roadworks. Passing left mandatory.](/img/north-america/us/signs/mandatory/mandatory-direction-pass-left.png)
Passing left mandatory.
![This traffic sign indicates that all drivers must pass the traffic sign on the right. The traffic sign is used to mark obstructions, such as traffic islands or roadworks. Passing right mandatory.](/img/north-america/us/signs/mandatory/mandatory-direction-pass-right.png)
Passing right mandatory.
![This traffic sign indicates the begin of a minimum speed. Drive faster than indicated. Begin of a minimum speed.](/img/north-america/us/signs/mandatory/mandatory-speed-minimum.png)
Begin of a minimum speed.
The traffic signs are located on the side or top of the road. They give directions on how we should behave on the road, so that the traffic can proceed safely and smoothly. Everyone must know the traffic signs!
Turning left mandatory.
Turning right mandatory.
Passing left mandatory.
Passing right mandatory.
Begin of a minimum speed.