Draft Route 401: Backlick - Gallows - Tysons Northbound
- Metro Stations served: Tysons Corner (Silver), Franconia-Springfield (Blue, Rush+ Yellow), Dunn Loring (Orange)
- Route serves: Annandale, Inova Fairfax Hospital, Merrifield, Tysons Corner Center
- Route operates: Weekdays, Saturdays, Sundays
- Weekdays: 4:20 a.m. - 12 a.m.
- Saturdays: 5:30 a.m. - 11 p.m.
- Sundays: 6 a.m. - 10 p.m.
Frequency of service:
- Weekdays: Every 15 minutes during rush hour; every 20 minutes during the rest of the day
- Saturdays: Every 30 minutes
- Sundays: Every 30 minutes
- Direction: Northbound