All states, including the District of Columbia, formulate their speed regulations on the basis of some form of the basic speed law. This law specifies that a driver shall operate a vehicle at a speed that is reasonable and prudent for existing conditions, regardless of any other speed limit that may be applicable at a location at any given time.
A driver is responsible for taking both actual and potential hazards into consideration when selecting a speed and for giving due regard to weather, visibility, traffic, roadway width, and condition.
To formulate their speed regulations on the basis of some form of the basic speed law.
Program at a Glance
Program Title: Speed Study Data and Map
Agency: District Department of Transportation
Type: Planning and Strategy