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Frederick
Frederick
Montgomery
Germantown
Gaithersburg
Rockville
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I-270
· Eisenhower Memorial Hwy.
32.60 mi., from I-70 in Frederick southeast to I-495,
Bethesda.
Route Number
· Road Name
Length; Endpoints
Left: the marker for the route, in this case I-270.
Below the marker in bold type appear the counties through which the route
passes, followed by the towns in each county through which it passes. Towns
are shown when they appear on the official Maryland highway maps. The background
of the left sidebar indicates the route's current status:
green if signed, blue if 'secret'
(state maintained but not signed), brown if
the number is decommissioned, and gray if the
number hasn't been assigned.
Center: reserved for specific route information, plus
whether or not part of the route is part of the NHS (National Highway System),
and associated secret or obscure routes.
Right: below the route number, in
red the mileage measuring from the southern or western end. If the route is north-south, zero mileage will be at the bottom to keep north at the top. The crossing
route follows; most times, only state routes are noted except in cases of
an unnumbered road being a freeway exit. If the route is part of a freeway,
its exit numbers appear in blue, and if the
crossing route is a freeway, its exit for this route are noted in
purple. A dash (-) in blue indicates an interchange with non-numbered exits. There's no Exit 14 in real life, but it's there to show
an asterisk (*) added to the route would indicates the beginning and end of a concurrency.
[top of page]
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270
32.6 32 I-70 53
31.2 31 MD 85
26.0 26 MD 80
22.5 MO-FR Line
22.3 22 MD 109
18.4 18 MD 121
15.8 16 MD 27
14.7 15 MD 118*
14.7 14 MD 118*
14.0 13 Middlebrook
11.5 11 MD 124
10.9 10 MD 117
9.3 9 I-370 1
8.4 8 Shady Gr
6.4 6 MD 28
5.5 5 MD 189
4.1 4 (MD 927)
2.4 2 I-270sp
1.5 1 MD 187
0.0 0 I-495 35
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