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Slippery road

Slippery road

Road slipperiness is a condition of low skid resistance due to insufficient road friction. It is a result of snow, ice, water, loose material an…

Roundabout

Roundabout

A roundabout is a kind of circular intersection in which the traffic continuously drives in one direction around a central island. The drivers a…

Ring road

Ring road

A ring road is a road or a series of connected roads encircling a town, city, or country. The most common purpose of a ring road is to assist in…

Traffic lights

Traffic lights

By means of light signals, traffic lights control the crossing of an intersection, the access to bridges, tunnels and railway crossings, the acc…

Blind spot

Blind spot

A blind spot in a vehicle is an area around the vehicle that cannot be directly observed by the driver while at the controls, under existing cir…

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