Multiplex

Primary route

I-95

Miami to Houlton

Active North-south FL, GA, SC, NC, VA, DC, MD, DE, PA, NJ, NY, CT, RI, MA, NH, ME
Length1,925.3 mi
Designated1957
States16
Junctions14

About I-95

Also known as New Jersey Turnpike, John C. Lodge Freeway, Maine Turnpike.

From Miami, FL (US 1) to Houlton, ME (Canada border)

Interstate 95 is the principal north-south route along the East Coast, running about 1,908 miles from Miami, Florida, to the Canadian border at Houlton, Maine. It passes through fifteen states and the District of Columbia, making it the longest north-south Interstate in the country. From Miami it runs up the Florida coast through Jacksonville, then through Savannah, the Carolinas, and Richmond before reaching the dense Northeast corridor between Washington and Boston, finally continuing through Maine to the border.

Through the mid-Atlantic and Northeast the highway threads through the most heavily populated part of the country, serving Washington, Baltimore, Philadelphia, New York City, and Boston in close succession. It crosses many major waterways along the way, including the Potomac at the Woodrow Wilson Bridge, the Patapsco beneath Baltimore through the Fort McHenry Tunnel, and the Hudson on the George Washington Bridge into New York.

South of the Northeast corridor the route runs through a string of growing Southern cities and coastal plains, carrying a constant flow of regional commuters, freight, and long-distance travelers. North of Boston it passes through New Hampshire and into Maine, where traffic thins as the route approaches the rural northern terminus.

Interstate 95 is the busiest Interstate in the country by total traffic, serving a corridor that contains a large share of the national population and economy. It functions as the backbone of East Coast travel, connecting nearly every major city between Florida and Maine.

State-by-state mileage

StateMiles
Florida 382.2
Georgia 112.0
South Carolina 198.8
North Carolina 181.7
Virginia 178.7
District of Columbia 0.1
Maryland 110.0
Delaware 23.4
Pennsylvania 51.1
New Jersey 97.8
New York 23.5
Connecticut 111.6
Rhode Island 43.3
Massachusetts 91.9
New Hampshire 16.1
Maine 303.1
Total 1,925.3

History

Interstate 95 was designated in 1957 under the federal Interstate program and built in segments over the following decades, incorporating several existing toll roads along the East Coast. A long-standing gap in central New Jersey left the route discontinuous for many years.

That gap was closed in 2018 when a reconstructed interchange near the Pennsylvania Turnpike connected the previously separate segments, completing a continuous Interstate 95 from Florida to Maine.

Major cities and places

MiamiJacksonvilleSavannahFlorenceRichmondWashingtonBaltimorePhiladelphiaNew YorkNew HavenProvidenceBostonPortlandHoulton

Notable features

  • Woodrow Wilson Bridge over the Potomac River
  • Fort McHenry Tunnel in Baltimore
  • George Washington Bridge over the Hudson River

Did you know

  • It is the longest north-south Interstate in the United States and the busiest Interstate overall.
  • It passes through fifteen states and the District of Columbia.
  • The southern terminus is in Miami, Florida, and the northern terminus is at the Canadian border in Houlton, Maine.
  • A long gap in central New Jersey was closed in 2018, completing a continuous route.
  • It crosses major waterways including the Potomac, the Patapsco, and the Hudson.