Route 951 provides local East-West service between Wiehle-Reston East Metro Station and Innovation Center Metro Station. The route travels primarily along the Glade Drive and Frying Pan Road corridors.

Popular locations along the route include:

• Reston Community Center
• Herndon Metro Station
• United States Geological Survey (SGS)
• Reston Town Center Metro Station
• McNair Elementary School
• Sunrise Valley Park
• Dallas L Peck Memorial Auditorium
• Vernon J. Walker Nature Center
• Boston Ridge Play Field