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
▲
295
81
270
95
7
66
70
W E S T
V I R G I N I A
495
395
C
495
28
Mt. Airy
Frederick
Hagerstown
Sykesville
Gaithersburg
Rockville
Sandy
Spring
Leesburg
Manassas
Warrenton
Alexandria
Fort Belvoir
Arlington
Bethesda
Falls
Church
Fairfax
Silver
Spring
Wheaton
Washington
78
Culpeper
Front
Royal
Sterling
Fredericksburg
Winchester
Springfield
Reston
Kensington
Annandale
Montgomery
Village
McLean
38
37
Lorton
Mt. Vernon
Woodbridge
Dunn
Loring
Richmond
40
35
Germantown
34
77
Williamsport
39
Lake Ridge
41
15
29
66
2
46
21
30
Ashburn
29
63
51
73
67
61
69
59
62
7
32
14
64
58
17
65
60
16
10
9
57
22
13
12
55
54
42
75
31
6
70
66
76
79
72
52
