In wet weather how might a driver judge what is a safe following distance from the vehicle in front?

By allowing at least two seconds to elapse between the vehicle in front and the driver’s own vehicle passing a fixed point.
By allowing four vehicle lengths between the vehicles.
By allowing two vehicle lengths between the vehicles.
By allowing at least four seconds to elapse between the vehicle in front and the driver’s own vehicle passing a fixed point.

Explantion: In wet conditions you should maintain a gap of at least four seconds from the vehicle in front – at least twice as long as in dry conditions.

Theory Tester

In wet weather how might a driver judge what is a safe following distance from the vehicle in front?

Managing Risk