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Head On

Head-on crashes are generally the most severe of all vehicle crash types. The combined mass and speed of vehicles often result in serious or fatal consequences for vehicle occupants.

Even in the most modern cars, the chances of surviving a head-on crash at speeds above 70 km/h are greatly reduced. For older vehicles, or in collisions involving vehicles of different size, surviving such a crash is less likely at far lower speeds.

This crash type occurs when one vehicle leaves its path and comes into the path of the oncoming vehicle.

Often this type of crash results from a steering wheel overcorrection, e.g. a driver veers to the roadside, instinctively turns the steering wheel to return to the road and travels across the carriageway. Therefore, ways to treat this crash type include treatments in the centre of the road, but also at the side. The chance of over-steering will be increased if there is a drop off between the road and the roadside or shoulder (an ‘edge drop’), making it more difficult to return to the roadway. Excessive drop offs should be avoided.

Typical factors which may add to head-on crash risk include:

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