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
Mapping
Not mapped
New articles
No Wikipedia article yet exists
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.