Two-second rule
The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should id…
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Tram
A tram is a rail vehicle that runs on tramway tracks along public urban streets. The lines or networks operated by tramcars are called tramways.…
Train
A train is a form of rail transport consisting of a series of connected vehicles that generally run along a railroad (or railway) track to trans…
Traffic jam
Traffic congestion is a condition on transport that is characterised by slower speeds, longer trip times, and increased vehicular queueing. Traf…
Brake worn
This symbol is used to indicate that the brakes are worn.
