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…
free
Rockfall
Rockfall refers to quantities of rock falling freely from a cliff face. A rockfall is a fragment of rock detached by sliding or falling, that fa…
Parking disc
Disc parking is a system of allowing time-restricted free parking through display of a parking disc or clock disc showing the time at which the …
Overtaking
Overtaking or passing is the act of one vehicle going past another slower moving vehicle, travelling in the same direction, on a road. When a ve…
Median strip
The median strip or central reservation is the reserved area that separates opposing lanes of traffic on divided roadways, such as divided highw…
