Primary Interstate highways
editRoute Number | Length | Western / Southern Terminus | Eastern / Northern Terminus | Counties |
---|---|---|---|---|
I-68 | 81.09 miles (130.50 km) | I-68 at West Virginia state line | I-70/US 40/US 522 in Hancock | Garrett, Allegany, Washington |
I-70 | 93.62 miles (150.67 km) | I-70/US 522 at Pennsylvania state line near Hancock | MD 122 at Baltimore City line near Woodlawn | Washington, Frederick, Carroll, Howard, Baltimore |
I-81 | 12.08 miles (19.44 km) | I-81 at West Virginia state line in Williamsport | I-81 at Pennsylvania state line near Hagerstown | Washington |
I-83 | 34.5 miles (55.5 km) | East Fayette & North President Streets and Fallsway in Baltimore | I-83 at Pennsylvania state line | Baltimore City, Baltimore County |
I-95 | 110.01 miles (177.04 km) | I-95/I-495 in Alexandria, VA | I-95 near Newark, DE | Prince George's , Howard, Baltimore County, Baltimore City, Harford, Cecil |
I-97 | 17.62 miles (28.36 km) | I-595/US 50/US 301 near Annapolis | I-695 / I-895 near Baltimore | Anne Arundel |
Source: Maryland State Highway Administration, Highway Location Reference, 2005
Auxiliary Interstate highways
editSource: Maryland State Highway Administration, Highway Location Reference, 2005
U.S. Highways
editSource: Maryland State Highway Administration, Highway Location Reference, 2005
- ^ A short western segment of US 50 in Maryland runs through Garrett County, entering West Virginia at both ends