10
495
395
95
7
V I R G I N I A V I R G I N I A
M A R Y L A N D M A R Y L A N D
P
O
T
O
M
A
C
R
I
V
E
R
N
▲
81
270
95
7
66
70
W E S T
V I R G I N I A
495
395
495
28
Mt. Airy
Frederick
Hagerstown
Sykesville
Gaithersburg
Olney
Sandy
Spring
Leesburg
Manassas
Warrenton
Alexandria
Fort Belvoir
Arlington
Bethesda
Falls
Church
Fairfax
Silver
Spring
Wheaton
Washington
48
Culpeper
Front
Royal
Sterling
Fredericksburg
Winchester
Springfield
Reston
Kensington
Annandale
Montgomery
Village
McLean
31
30
Lorton
Mt. Vernon
Woodbridge
Dunn
Loring
34
27
Germantown
26
47
Williamsport
33
Lake Ridge
14
17
15
35
1
5
15
29
66
18
8
2
39
7
22
Ashburn
23
46
40
29
