User:Algorerhythms

Useful links

 * TIGER GIS data
 * NHPN GIS data
 * MD SHA Highway Location Reference
 * Maps Task Force
 * Requested maps of roads in Maryland
 * Site with some old maps of MD highways
 * MDRD recent changes

No Wikipedia article yet exists

 * 211
 * 509

Completed Routes

 * All U.S. Routes in Maryland
 * Most Interstate highways in Maryland
 * All Maryland state highways except minor highways, former state highways, and those noted above.