Fatigue
Fatigue is a feeling of tiredness. It may be sudden or gradual in onset. It is a normal phenomenon if it follows prolonged physical or mental ac…
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Cyclist street
A bicycle street is a street in which the cyclists are the most important road users. Motor vehicles are allowed, but cars are not allowed to ov…
Crosswind
A crosswind is any wind that has a perpendicular component to the line or direction of travel. This affects the aerodynamics of many forms of tr…
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…
Caravan
A caravan or camper is towed behind a road vehicle to provide a place to sleep which is more comfortable and protected than a tent. It provides …
