hwy marker
Exit :
Mile 12.5
Approximate GPS: 38.973623, -77.438363
► Washington Dulles International Airport ►
Exit :
Mile 12.2
Approximate GPS: 38.955523, -77.446595
Exit 9:
Mile 13.3
Approximate GPS: 38.964694, -77.428018
Exit 10:
Mile 14.7
Approximate GPS: 38.956607, -77.40456
► Herndon-Monroe Park and Ride ►
Exit :
Mile 15.9
Approximate GPS: 38.952417, -77.383749
► SR 7100/Fairfax County Parkway ►
Exit 11:
Mile 16.4
Approximate GPS: 38.952879, -77.373902
Exit 12:
Mile 17.4
Approximate GPS: 38.946601, -77.337553
Exit 13:
Mile 18.4
Approximate GPS: 38.951919, -77.356208
Exit 14:
Mile 20.3
Approximate GPS: 38.947476, -77.311981
► Trap Road / Wolf Trap National Park ►
Exit 15:
Mile 22.9
Approximate GPS: 38.936232, -77.267674
Exit 16:
Mile 23.7
Approximate GPS: 38.933964, -77.246455
Exit 17:
Mile 24.8
Approximate GPS: 38.933471, -77.233123
Exit 18:
Mile 25.9
Approximate GPS: 38.931464, -77.211542
► SR 123/Dolley Madison Blvd ►
Exit 19:
Mile 26.2
Approximate GPS: 38.928595, -77.203647
Exit :
Mile 28.6
Approximate GPS: 38.903648, -77.188523
