Street Map of Washington, DC
Perhaps the street maps or road maps is extensively used maps and serve as vital link for navigational maps that includes nautical & aeronautical charts. These street maps are used by tourists, local, municipalities, tax assessors, emergency service providers, military and local agencies. The street map helps in locating particular road or intersection and display national highways.
In addition to finding location information the street maps sometime portray isolines or contour lines which indicate topography, rainfall, elevation and temperature of particular place. Generally the street maps are drawn to particular scale expressed in ratio.
http://www.dcpages.com/Tourism/Maps/Washington-DC-Street-Map.shtml
http://www.worldexecutive.com/locations/north_america/usa/dc/washington/maps.html
