| U.S. Route 1 | ||||
|---|---|---|---|---|
| Route information | ||||
| Maintained by MDSHA, Baltimore DOT | ||||
| Length: | 80.86 mi (130.13 km) | |||
| Existed: | November 11, 1926 – present | |||
| Tourist routes: |
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| Major junctions | ||||
| South end: |
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| North end: |
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| Location | ||||
| Counties: | Prince George's, Howard, Baltimore, City of Baltimore, Harford, Cecil | |||
| Highway system | ||||
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I-95 / I-495 in College Park![]()
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MD 200 near Beltsville
MD 100 near Elkridge
I-895 near Relay
I-195 in Relay
I-695 near Arbutus
US 40 in Baltimore
I-83 in Baltimore
I-695 near White Marsh