| Maryland Route 30 | ||||
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Maryland Route 30 highlighted in red
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| Route information | ||||
| Maintained by MDSHA | ||||
| Length: | 19.16 mi (30.84 km) | |||
| Existed: | 1927 – present | |||
| Tourist routes: |
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| Major junctions | ||||
| South end: |
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| North end: |
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| Location | ||||
| Counties: | Baltimore, Carroll | |||
| Highway system | ||||
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| Maryland Route 30 Business | |
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| Location: | Hampstead–Greenmount |
| Length: | 4.00 mi (6.44 km) |
| Existed: | 2009–present |
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MD 128 / MD 795 in Reisterstown
MD 91 near Upperco
MD 482 in Hampstead
MD 27 in Manchester
MD 86 in Manchester