skos:altLabel | - 648
- Annapolis Rd
- Annapolis Road
- Annapolis Road/Baltimore-Annapolis Boulevard
- Baltimore Annapolis Boulevard
- Baltimore-Annapolis Blvd
- Baltimore-Annapolis Boulevard
- MD 648
- MD 648 (Baltimore-Annapolis Boulevard)
- MD 648
- MD-648/Annapolis Road
- Maryland Route 648#Annapolis–Arnold
- Maryland Route 648#Arnold–Severna Park
- Maryland Route 648#Auxiliary routes
- Maryland Route 648#Pasadena–Baltimore
- Maryland Route 648#Severna Park–Pasadena
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