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US 40

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US 40 · National Pike, Baltimore National Pike, Pulaski Hwy
231.39 mi. in Maryland; from Pennsylvania line east to Delaware line near Elkton.

Marked east-west.

NHS: Inside the Baltimore Beltway (I-695), plus Interstate multiplexes along I-70 and I-68.

At 231 miles in all, the longest highway of any category in Maryland. To put it in perspective, US 40 has more mileage west of Frederick (133) than then entire length of I-95 in Maryland (109).

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40
   0.0 PA Line
  31.8 GA-AL Line
  72.1 AL-WA Line
118.0 WA-FR Line
147.2 FR-CR Line
148.9 CR-HO Line
169.9 HO-BA Line
195.5 BA-HA Line
214.1 HA-CE Line
231.4 DE Line
000.0 0 MD 000
0.00 0 MD 000
0.00 0 MD 000
0.00 0 MD 000
0.00 0 MD 000
0.00 0 MD 000
0.00 0 MD 000
0.00 0 MD 000