Driving school includes plenty of information that seems immediately useful, like who goes first at a four-way stop. But some of what's taught seems outdated, or perhaps even useless. Like hand ...

The use of hand signals is a fundamental element of human communication. Hand signals work whenever there is a need for complete silence and when distance or noise, like when riding a motorcycle, ...

A not-insignificant part of driving a vehicle of any kind, no matter how many wheels it has, is knowing the necessary methods for signaling intent — lane changes, warnings to other drivers, that sort ...