![This traffic sign indicates a place where vehicles higher then indicated will not be able to negotiate the obstruction ahead. Vehicles higher than indicated prohibited.](/img/europe/gb/signs/prohibitory/prohibited-cargo-height.png)
Vehicles higher than indicated prohibited.
![This traffic sign indicates a place where vehicles longer then indicated are prohibited. An example would be where the geometry of the road ahead is too tight to allow vehicles over the length indicated to pass. Vehicles longer than indicated prohibited.](/img/europe/gb/signs/prohibitory/prohibited-cargo-length.png)
Vehicles longer than indicated prohibited.
![This traffic sign a place that vehicles wider indicated are prohibited on the road ahead because of an obstruction which limits the width of the carriageway. Vehicles wider than indicated prohibited.](/img/europe/gb/signs/prohibitory/prohibited-cargo-width.png)
Vehicles wider than indicated prohibited.
![This traffic sign indicates a checkpoint. Entry prohibited (checkpoint).](/img/europe/gb/signs/prohibitory/prohibited-entry-checkpoint.png)
Entry prohibited (checkpoint).
![This traffic sign indicates a road narrowing where you have to give way to oncoming drivers. Road narrowing, give way to oncoming drivers.](/img/europe/gb/signs/prohibitory/prohibited-road-narrowing.png)
Road narrowing, give way to oncoming drivers.
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!
Vehicles higher than indicated prohibited.
Vehicles longer than indicated prohibited.
Vehicles wider than indicated prohibited.
Entry prohibited (checkpoint).
Road narrowing, give way to oncoming drivers.