Tyre wall impact with water spray - geograph

A tire wall (

Commonwealth English The use of the English language in current and former Member states of the Commonwealth of Nations, countries of Commonwealth of Nations, the Commonwealth was largely inherited from British Empire, British colonisation, with some exceptions. Eng ...

tyre wall) also known as tire barrier, is a type of

traffic barrier Traffic barriers (known in North America as guardrails or guard rails, in Britain as crash barriers, and in auto racing as Armco barriers AK Steel (formerly Armco) genericized trademark) keep vehicles within their roadway and prevent them from co ...

commonly used at

racing circuit A race track (racetrack, racing track or racing circuit) is a facility built for racing of vehicles, athletes, or animals (e.g. horse racing or greyhound racing). A race track also may feature grandstands or concourses. Race tracks are also us ...

s to prevent racing vehicles from leaving or crossing into another part of the track.

Tyres A tire (North American English) or tyre (Commonwealth English) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface over w ...

are a consumable item generated in some volume by racing activities, and in sufficient quantities can successfully absorb some of the energy of a crashing vehicle. A tyre wall will typically have some form of fixed backing (such as a

concrete Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), the most–widely used building material, and the most-manufactur ...

wall) to prevent vehicles from pushing through it, and will normally have the tyres tied together both for effectiveness and to prevent stray tyres from being thrown into the track during a collision and causing a hazard to other vehicles on the track.

References

Protective barriers Safety in auto racing Tires {{motorsport-stub