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Warning signs are traffic signs that are used to warn road users about a potential danger. These signs are usually diamond in shape and, except for temporary traffic control signs, have black legends and borders on a yellow background. Work zone signs have orange backgrounds, and incident management signs have pink backgrounds.
In legal terminology, the assured clear distance ahead (ACDA) is the distance ahead of any terrestrial locomotive device such as a land vehicle, typically an automobile, or watercraft, within which they should be able to bring the device to a halt. [1]
These signs mark school zones (in which lower speed limits may be in place), student crossings, crossing guards or signals ahead. In the U.S. and Canada, pentagon-shaped signs are used in place of the usual diamond-shaped signs. The shape of the U.S. school zone resembles a one-room schoolhouse and is the only U.S. sign shaped this way. Some ...
Sidewalks, curbs and traffic signals in Hagerstown, Maryland, United States Speed limits in different areas; here unusually with only a "recommended" limit (Richtgeschwindigkeit) of 130 km/h on the Autobahn in Germany DRIP [Note 1] variable message sign guiding traffic on the Dutch A13 motorway Vehicles experiencing a breakdown or an emergency can stop in the emergency lane; these lanes may ...
A colloquial term for the driving practice of the first left-turning vehicle taking precedence over vehicles going straight through an intersection. Pothole A depression in a road surface, usually asphalt pavement, where traffic has removed broken pieces of the pavement. Primitive road A minor road system that is generally not maintained.
Though school hours in California might range from about 7 a.m. to 4 p.m., Olsen said drivers should still be cautious when passing by a school zone because after-school programs can last until 6 p.m.
However, one source considers that method a driving mistake and claims it is even more dangerous than not using it, because it creates other blind spots directly behind the vehicle—nine reasons are listed, e.g., when backing up—which are impossible to eliminate by a "shoulder check". [11] [12] Rearward invisibility is an entirely different ...
Limited speed zone (maximum speed limit of 100 km/h, reduces to 50 km/h during dangerous conditions such as bad weather) (Used until 2009) Pre-1987 signs [ edit ]