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User:Algorerhythms/MD Interstate Table

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Primary Interstate highways

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Route 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

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Route Number Length Western / Southern Terminus Eastern / Northern Terminus Counties
I-170 Former Route I-70 at Gwynns Falls Park US 40 at MLK Blvd. Baltimore City
I-270 34.40 miles (55.36 km) I-70/US 40 near Frederick I-495/MD 355 north of Bethesda Frederick, Montgomery
I-370 3.13 miles (5.04 km) Sam Eig Highway & Washingtonian Boulevard in Gaithersburg Shady Grove Metro Station Montgomery
I-195 4.88 miles (7.85 km) I-95/MD 166 near Catonsville Baltimore-Washington International Thurgood Marshall Airport Baltimore County, Anne Arundel
I-295 0.80 miles (1.29 km) I-95/I-495 near Forest Heights I-295 at DC border Prince George's
I-395 1.33 miles (2.14 km) South Howard Street & West Conway Street in Downtown Baltimore I-95 Baltimore City
I-495 41.09 miles (66.13 km) I-95/I-495 at Virginia state line I-495 at Virginia state line Prince George's , Montgomery
I-595 19.97 miles (32.14 km) I-95/I-495/Capital Beltway/US 50 outside Washington, DC US 50/US 301/MD 70 in Annapolis, MD Prince George's , Anne Arundel
I-695 51.46 miles (82.82 km) Beltway around Baltimore Baltimore City, Anne Arundel, Baltimore County
I-795 8.99 miles (14.47 km) I-695 in Pikesville MD 140/MD 795 in Reisterstown Baltimore County
I-895 14.87 miles (23.93 km) I-95 near Elkridge I-95 in Baltimore Howard, Baltimore County, Anne Arundel, Baltimore City

Source: Maryland State Highway Administration, Highway Location Reference, 2005

U.S. Highways

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Route Number Length Western / Southern Terminus Eastern / Northern Terminus Counties
US 1 84 miles (135 km) US 1 at DC border in Mount Rainier US 1 at Pennsylvania border near Rising Sun Prince George's , Howard, Baltimore County, Baltimore City, Harford, Cecil
US 11 12.83 miles (20.65 km) US 11 at West Virginia border near Williamsport US 11 at Pennsylvania border near Maugansville Washington
US 13 42.48 miles (68.36 km) US 13 at Virginia border near Pocomoke City US 13 at Delaware border in Delmar Worcester, Somerset, Wicomico
US 15 37.85 miles (60.91 km) US 15 at Virginia border near Point of Rocks US 15 at Pennsylvania border near Emmitsburg Frederick
US 29 25.91 miles (41.70 km) US 29 at DC border near Silver Spring MD 99 in Mount Hebron Montgomery, Howard
US 40 221.31 miles (356.16 km) US 40 at Pennsylvania border near Addison, PA US 40 at Delaware border near Glasgow, DE Garrett, Allegany, Washington, Frederick, Carroll, Howard, Baltimore County, Baltimore City, Harford, Cecil
US 48 Former Route I-68 at West Virginia state line near Friendsville I-70 near Hancock Garrett, Allegany, Washington
US 50 150.06 miles (241.50 km) US 50 at DC border in Cheverly[1] MD 528 in Ocean City Garrett, Prince George's, Anne Arundel, Queen Anne's, Talbot, Dorchester, Wicomico, Worcester
US 111 Former Route US 1 in Baltimore U.S. Route 111 at Pennsylvania border Baltimore City, Baltimore County
US 113 37.84 miles (60.90 km) US 13 in Pocomoke City US 113 at Delaware state line Worcester
US 140 Former Route US 140 at Pennsylvania state line US 1 in Baltimore Carroll, Baltimore County, Baltimore City
US 213 Former Route US 50 in Wye Mills US 40 in Elkton Queen Anne's, Kent, Cecil
US 219 48.40 miles (77.89 km) US 219 at West Virginia border near Redhouse US 219 at Pennsylvania border near Grantsville Garrett
US 220 27.35 miles (44.02 km) US 220 at West Virginia border near McCoole US 220 at Pennsylvania border near Cumberland Allegany
US 222 3.60 miles (5.79 km)
US 1/MD 222/MD 222 Truck in Conowingo, MD
US 222 at Pennsylvania border Cecil
US 240 Former Route US 240 at DC border US 40 in Frederick Montgomery, Frederick
US 301 123.30 miles (198.43 km) US 301 at Virginia border at Governor Harry W. Nice Memorial Bridge US 301 at Delaware border in Warwick Charles, Prince George's, Anne Arundel, Queen Anne's, Kent, Cecil
US 340 16.99 miles (27.34 km) US 340 at Virginia border near Weverton US 40 in Frederick Washington, Frederick
US 522 2.37 miles (3.81 km) US 522 at West Virginia border near Hancock I-70/US 522 at Pennsylvania border near Hancock Washington
US 622 Former Route US 40 in Hancock US 622 near Hancock Washington

Source: Maryland State Highway Administration, Highway Location Reference, 2005

  1. ^ A short western segment of US 50 in Maryland runs through Garrett County, entering West Virginia at both ends