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.…
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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…
Toll road
A toll road, also known as a turnpike or tollway or toll plaza, is a public or private road (almost always a controlled-access highway in the pr…
Diesel particulate filter
This symbol is used to indicate the diesel particulate filter.
