Det primære formål ved etablering af veje er at skabe fremkommelighed, dvs. at tilvejebringe forhold der gør at trafikanter kan bevæge sig fra ét sted til et andet. De vilkår der herved tilbydes trafi
A line feature representing the edges of a traffic calming area in the road network. (This abstract has been temporarily padded to import into GeoNetwork)
Speed (MPH) and Volume (AADT) on primary and secondary roads in San Diego County. Annual Average Daily Traffic represented in ranges of vehicles per road link. Speed presented as peak period (AM = 6:0