WVDOT Basemap services showing all routes, transportation, hydrology, basemap, and natural features.   Included in this service are exits, park and rides, ports airports, bridges, populated places cities, railroads, Roads at 250K (Interstates, US Routes, WV Routes, County Routes, HARP Routes, State Parks and Forest Routes, Ramps, FANS, and local routes)  Routes <1,000,000K (Interstates, US Routes, WV Routes, and County Routes), Routes > 1,000,000K (Interstates, US Routes, WV Routes), Counties, Lakes, Major Rivers, Streams, National Forests, State Forests, National Parks, and State Parks.   Data is updated on a semi-annual basis.