Maryland Roads - Maryland Highways Map

Find Maryland Interstates and Federal Highways


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History of Interstates and U.S. Highways in Maryland

Maryland’s Interstate and U.S. highway system has played an important role in connecting the Mid-Atlantic region. Early highways such as U.S. 1 and U.S. 40 provided essential routes between Washington, D.C., and Baltimore, as well as other key cities in the Northeast. The construction of the Interstate Highway System in the 1950s and 1960s introduced major Interstates like I-95, I-70, and I-83, which have since become vital corridors for passenger travel and freight transportation.

Maryland’s highways are critical for interstate travel, particularly in the Baltimore-Washington corridor, where I-95 handles some of the highest traffic volumes in the state. Maryland’s highways are also essential for freight movement, as they connect the Port of Baltimore, one of the busiest ports in the country, with markets across the Eastern Seaboard. U.S. highways like U.S. 50 also serve as important tourist routes, providing access to popular destinations like the Eastern Shore and Ocean City.

The state continues to invest in its highway infrastructure, with major projects focused on improving traffic flow on I-95, expanding capacity on I-270, and upgrading interchanges on I-695. Future plans include additional highway expansions and upgrades to accommodate Maryland’s growing population and economic needs.

Busiest and Longest Federal Interstates and U.S. Highways in Maryland

Interstate or Highway Length (mi) Length (km) Southern or Western Terminus Northern or Eastern Terminus Created
I-95 110 177 Washington, D.C. Border Delaware Border 1956
I-70 93 150 Hagerstown, MD Baltimore, MD 1956
I-83 34 55 Baltimore, MD Pennsylvania Border 1958
I-695 51 82 Baltimore, MD (Loop) Baltimore, MD (Loop) 1962
I-270 35 56 Frederick, MD Washington, D.C. Border 1960
U.S. 1 81 130 Washington, D.C. Border Pennsylvania Border 1926
U.S. 40 221 356 West Virginia Border Delaware Border 1926
U.S. 50 150 241 Washington, D.C. Border Ocean City, MD 1926
I-97 18 29 Annapolis, MD Baltimore, MD 1991
U.S. 301 122 196 Virginia Border Delaware Border 1926

Maryland Designated Highways



Maryland Interstate Highway 68, I-68 E
Maryland Interstate Highway 68, I-68 W
Maryland Interstate Highway 70, I-70 E
Maryland Interstate Highway 70, I-70 W
Maryland Interstate Highway 81, I-81 N
Maryland Interstate Highway 81, I-81 S
Maryland Interstate Highway 83, I-83 N
Maryland Interstate Highway 83, I-83 S
Maryland Interstate Highway 95, I-95 N
Maryland Interstate Highway 95, I-95 S
Maryland Interstate Highway 97, I-97 N
Maryland Interstate Highway 97, I-97 S
Maryland Interstate Highway 195, I-195 E
Maryland Interstate Highway 195, I-195 W
Maryland Interstate Highway 270, I-270 Bus Spur N
Maryland Interstate Highway 270, I-270 Bus Spur S
Maryland Interstate Highway 270, I-270 N
Maryland Interstate Highway 270, I-270 S
Maryland Interstate Highway 295, I-295 N
Maryland Interstate Highway 295, I-295 S
Maryland Interstate Highway 370, I-370 E
Maryland Interstate Highway 370, I-370 W
Maryland Interstate Highway 395, I-395 N
Maryland Interstate Highway 395, I-395 S
Maryland Interstate Highway 495, Capital Beltway E
Maryland Interstate Highway 495, Capital Beltway N
Maryland Interstate Highway 495, Capital Beltway S
Maryland Interstate Highway 495, Capital Beltway W
Maryland Interstate Highway 695, I-695 E
Maryland Interstate Highway 695, I-695 N
Maryland Interstate Highway 695, I-695 S
Maryland Interstate Highway 695, I-695 W
Maryland Interstate Highway 795, I-795 N
Maryland Interstate Highway 795, I-795 S
Maryland Interstate Highway 895, I-895 Bus Spur N
Maryland Interstate Highway 895, I-895 Bus Spur S
Maryland Interstate Highway 895, I-895 N
Maryland Interstate Highway 895, I-895 S
Maryland US Highway 1, 2nd St
Maryland US Highway 1, Baltimore Ave
Maryland US Highway 1, Baltimore Pike
Maryland US Highway 1, Bel Air Rd
Maryland US Highway 1, Belair Byp
Maryland US Highway 1, Belair Rd
Maryland US Highway 1, Bladensburg Rd
Maryland US Highway 1, Conowingo Rd
Maryland US Highway 1, E Broadway
Maryland US Highway 1, E Churchville Rd
Maryland US Highway 1, E North Ave
Maryland US Highway 1, Edmondson Ave
Maryland US Highway 1, Fulford Ave
Maryland US Highway 1, Harford Rd
Maryland US Highway 1, Hickory Byp
Maryland US Highway 1, N 2nd St
Maryland US Highway 1, N Bond St
Maryland US Highway 1, N Fulton Ave
Maryland US Highway 1, N Hickory Ave
Maryland US Highway 1, N Main St
Maryland US Highway 1, N Monroe St
Maryland US Highway 1, Rhode Island Ave
Maryland US Highway 1, S Bond St
Maryland US Highway 1, S Caton Ave
Maryland US Highway 1, S Fulton Ave
Maryland US Highway 1, S Main St
Maryland US Highway 1, S Monroe St
Maryland US Highway 1, Southwestern Blvd
Maryland US Highway 1, W North Ave
Maryland US Highway 1, Washington Blvd
Maryland US Highway 1, Washington Blvd N
Maryland US Highway 1, Washington Blvd S
Maryland US Highway 1, Wilkens Ave
Maryland US Highway 11, Burhans Blvd
Maryland US Highway 11, E Potomac St
Maryland US Highway 11, N Burhans Blvd
Maryland US Highway 11, Pennsylvania Ave
Maryland US Highway 11, S Burhans Blvd
Maryland US Highway 11, S Burhans Blvd E
Maryland US Highway 11, Virginia Ave
Maryland US Highway 11, W Potomac St
Maryland US Highway 11, W Wilson Blvd
Maryland US Highway 11, Williamsport Pike
Maryland US Highway 13, N Fruitland Blvd
Maryland US Highway 13, N Salisbury Blvd
Maryland US Highway 13, Ocean Hwy
Maryland US Highway 13, S Fruitland Blvd
Maryland US Highway 13, S Fruitland Blvd N
Maryland US Highway 13, S Fruitland Blvd S
Maryland US Highway 13, S Salisbury Blvd
Maryland US Highway 13, US-13
Maryland US Highway 13, US-13 N
Maryland US Highway 13, US-13 S
Maryland US Highway 15, Catoctin Mountain Hwy
Maryland US Highway 15, N Seton Ave
Maryland US Highway 15, S Seton Ave
Maryland US Highway 15, US-15
Maryland US Highway 15, US-15 N
Maryland US Highway 15, US-15 S
Maryland US Highway 29, Colesville Rd
Maryland US Highway 29, Columbia Pike
Maryland US Highway 29, Columbia Pike N
Maryland US Highway 29, Columbia Pike S
Maryland US Highway 29, Georgia Ave
Maryland US Highway 29, US-29
Maryland US Highway 40, 15 Mile Creek Rd
Maryland US Highway 40, 15 Mile Crk SE
Maryland US Highway 40, Baltimore Ave
Maryland US Highway 40, Baltimore National Pike
Maryland US Highway 40, Baltimore St
Maryland US Highway 40, Beaver Creek Rd
Maryland US Highway 40, Dual Hwy
Maryland US Highway 40, E Baltimore St
Maryland US Highway 40, E Franklin St
Maryland US Highway 40, E Main St
Maryland US Highway 40, E Mulberry St
Maryland US Highway 40, E Pulaski Hwy
Maryland US Highway 40, E Washington St
Maryland US Highway 40, Edmondson Ave
Maryland US Highway 40, Frederick St
Maryland US Highway 40, Garrett Hwy
Maryland US Highway 40, Henderson Ave
Maryland US Highway 40, Main St
Maryland US Highway 40, Mountain Rd
Maryland US Highway 40, N Front St
Maryland US Highway 40, N Locust St
Maryland US Highway 40, N Main St
Maryland US Highway 40, N Philadelphia Blvd
Maryland US Highway 40, N Potomac St
Maryland US Highway 40, National Hwy
Maryland US Highway 40, National Hwy NW
Maryland US Highway 40, National Hwy SW
Maryland US Highway 40, National Pike
Maryland US Highway 40, National Pike NE
Maryland US Highway 40, Old National Pike
Maryland US Highway 40, Orleans St
Maryland US Highway 40, Pulaski Hwy
Maryland US Highway 40, Queen City Dr
Maryland US Highway 40, S Chewsville Rd
Maryland US Highway 40, S Locust St
Maryland US Highway 40, S Main St
Maryland US Highway 40, S Philadelphia Blvd
Maryland US Highway 40, S Potomac St
Maryland US Highway 40, US-40
Maryland US Highway 40, US-40 Alt
Maryland US Highway 40, US-40 E
Maryland US Highway 40, US-40 W
Maryland US Highway 40, W Franklin St
Maryland US Highway 40, W Main St
Maryland US Highway 40, W Mulberry St
Maryland US Highway 40, W Patrick St
Maryland US Highway 40, W Pulaski Hwy
Maryland US Highway 40, W Washington St
Maryland US Highway 40, Washington Ave
Maryland US Highway 50, E Salisbury Pkwy
Maryland US Highway 50, George Washington Hwy
Maryland US Highway 50, Ocean Gateway RT 50
Maryland US Highway 50, Ocean Gtwy
Maryland US Highway 50, Senator Malkus Brg
Maryland US Highway 50, Spring Hill Rd
Maryland US Highway 50, Sunburst Hwy
Maryland US Highway 50, US-50
Maryland US Highway 50, US-50 E
Maryland US Highway 50, US-50 W
Maryland US Highway 50, W Salisbury Pkwy
Maryland US Highway 113, Berlin Dover Rd
Maryland US Highway 113, E Market St
Maryland US Highway 113, Market St
Maryland US Highway 113, Peerless Rd
Maryland US Highway 113, W Market St
Maryland US Highway 113, Worcester Hwy
Maryland US Highway 219, Chestnut Ridge Rd
Maryland US Highway 219, E Oak St
Maryland US Highway 219, Garrett Hwy
Maryland US Highway 219, N 3rd St
Maryland US Highway 219, N Main St
Maryland US Highway 219, S 3rd St
Maryland US Highway 219, S Main St
Maryland US Highway 220, Ali Ghan Rd NE
Maryland US Highway 220, Bedford Rd NE
Maryland US Highway 220, McMullen Hwy SW
Maryland US Highway 220, US-220
Maryland US Highway 222, Rock Spring Rd
Maryland US Highway 222, Rock Springs Rd
Maryland US Highway 301
Maryland US Highway 301, Blue Star Memorial Hwy E
Maryland US Highway 301, Blue Star Memorial Hwy W
Maryland US Highway 301, Chesapeake Bay Brg E
Maryland US Highway 301, Chesapeake Bay Brg W
Maryland US Highway 301, Crain Hwy
Maryland US Highway 301, Governor Harry Nice Memorial Brg
Maryland US Highway 301, John Hanson Hwy E
Maryland US Highway 301, John Hanson Hwy W
Maryland US Highway 301, Revell Hwy E
Maryland US Highway 301, Revell Hwy W
Maryland US Highway 301, Severn River Brg E
Maryland US Highway 301, Severn River Brg W
Maryland US Highway 301, US-301
Maryland US Highway 301, US-301 N
Maryland US Highway 301, US-301 S
Maryland US Highway 340, US-340
Maryland US Highway 340, US-340 E
Maryland US Highway 340, US-340 W
Maryland US Highway 522, US-522