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…
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Give way
A yield or give way sign indicates that merging drivers must prepare to stop if necessary to let a driver on another approach proceed. A driver …
Crossroad
A crossroad or intersection is a place where two or more roads or streets meet or cross. Crossroads may be classified by number of road segments…
Crossing
A crossing is a location on the road that is intended to cross and which is marked as such. They are for pedestrians and cyclists.
Coolant
A coolant is a substance, typically liquid or gas, that is used to reduce or regulate the temperature of a system. An ideal coolant has high the…
