The Interstate Highway System is a system of freeways in the United States. It was first designed by Dwight D. Eisenhower in the 1950s. The Federal Aid...

Interstate 94 is an Interstate Highway in the United States. It goes from Billings, Montana east to Port Huron, Michigan at the Canada border. The route...

Interstate 90 (sometimes called I-90) is a very long Interstate Highway in the United States. It goes 3,021 miles (4,862 km) across the country from Interstate...

Primary Interstate Highways are the major interstate highways of the United States and have a one or two-digit route number. Even (0, 2, 4, 6, or 8) route...

Interstate 35 is an Interstate Highway in the United States. It goes from Laredo, Texas at the Mexico border north to Duluth, Minnesota. The route is 1...

Interstate 81 is a north-south interstate in the eastern United States. It runs from Dandridge, Tennessee in the south to Wellesley Island, New York in...

Interstate 80 is an Interstate Highway in the United States. It goes from San Francisco, California east to Teaneck, New Jersey (just outside of New York...

Interstate 26 is an Interstate Highway in the United States. It goes from Kingsport, Tennessee southeast to Charleston, South Carolina. The route is 349...

Interstate 70 is a major interstate highway in the United States. It begins in Cove Fort, Utah, and it goes east to Baltimore, Maryland. The route is...

Interstate 85 is an Interstate Highway in the Southeastern United States. It goes from Montgomery, Alabama northeast to Petersburg, Virginia. The route...

Interstate 20 is an Interstate Highway in the United States. It goes from Kent, Texas east to Florence, South Carolina. The route is 1,539.38 miles (2...

Interstate 74 is an Interstate Highway in the United States. The main part of it goes from Davenport, Iowa east to Cincinnati, Ohio and will be extended...

Interstate 40, or I-40 is an Interstate Highway in the United States. It runs from Barstow, California in the west to Wilmington, North Carolina in the...

Interstate 55 is an Interstate Highway in the United States. It goes from Laplace, Louisiana north to Chicago, Illinois. The route is 964.25 miles (1,551...

Interstate 65 is an Interstate Highway in the United States. It goes from Mobile, Alabama north to Gary, Indiana. The route is 887.30 miles (1,427.97 km)...

Interstate 10 (or I-10) is a long Interstate Highway which the west side ends at Santa Monica, California (near Los Angeles), and the other side ends at...

Interstate 59 is an Interstate Highway in the United States. It goes from Slidell, Louisiana northeast to Wildwood, Georgia. The route is 445.23 miles...

There are Interstate Highways in Alaska that get money from the government. Even though these are Interstate Highways, most of them are not grade separated...

Interstate 15 is an Interstate Highway in the United States. It goes from San Diego, California north to Sweetgrass, Montana at the Canada border. It also...

Interstate 77 is an Interstate Highway in the eastern United States. It goes from Columbia, South Carolina north to Cleveland, Ohio. The route is 610.10...

Interstate 79 is an Interstate Highway in the United States. It goes from Charleston, West Virginia north to Erie, Pennsylvania. The route is 343.24 miles...

Interstate 69 is a partially completed Interstate Highway in the United States. The main part of it goes from Indianapolis, Indiana north to Port Huron...

Interstate 5 (sometimes called I-5, or in Southern California, The 5) is a 1,381 miles (2,223 km) long Interstate Highway in the states of California...

Interstate 75 (often shortened to I-75) is an Interstate Highway in the midwest and southeastern United States that runs north and south. It travels from...

Interstate 57 is an Interstate Highway in the United States. It goes from Miner, Missouri north to Chicago, Illinois. The route is 386.12 miles (621.40 km)...

Interstate 64 is a long Interstate Highway in the United States. It goes from Wentzville, Missouri east to Chesapeake, Virginia. The route is 953.74 miles...

Interstate 24 is an Interstate Highway in the United States. It goes from Goreville, Illinois southeast to East Ridge, Tennessee. The route is 316.36 miles...

Interstate 83 is an Interstate Highway in the United States. It goes from Baltimore, Maryland north to Harrisburg, Pennsylvania. The route is 85.30 miles...

Interstate 44 is an Interstate Highway in the United States. It goes from Wichita Falls, Texas northeast to St. Louis, Missouri. The route is 633.79 miles...

Interstate 89 is an Interstate Highway in the United States. It goes from Concord, New Hampshire north to Highgate Springs, Vermont at the Canada border...

Interstate 82 (sometimes called I-82) is a 143.58 miles (231.07 km) long Interstate Highway in the states of Washington and Oregon. The road goes from...

Interstate 25 is an Interstate Highway in the United States. It goes from Las Cruces, New Mexico north to Buffalo, Wyoming. Cities in between include Albuquerque...

Interstate 91 is an interstate on the East Coast of the United States. It is 290.37 miles (467.31 km) long. Its south end is at New Haven, Connecticut...

Interstate 43 is an Interstate Highway in the state of Wisconsin in the United States. It goes from Beloit north to Green Bay. The route is 191.55 miles...

Interstate 39 is an Interstate Highway in the United States. It goes from Normal, Illinois north to Rothschild, Wisconsin. The route is 306.14 miles (492...

Interstate 16 is an Interstate Highway in the state of Georgia in the United States. It goes from Macon east to Savannah. The route is 166.81 miles (268...

Interstate 30 is an Interstate Highway in the United States. It goes from the Fort Worth, Texas area east to Little Rock, Arkansas. The route is 366.76...

Interstate 84 (sometimes called I-84) is a 769.52 miles (1,238.42 km) long Interstate Highway in the states of Oregon, Idaho, and Utah. The road goes...

Interstate 71 is an Interstate Highway in the United States. It goes from Louisville, Kentucky northeast to Cleveland, Ohio. The route is 343.78 miles...

Interstate 93 is an Interstate Highway in the New England region of the United States. It goes from Canton, Massachusetts north to St. Johnsbury, Vermont...

Interstate 49 (I-49) is an Interstate Highway in the states of Louisiana, Arkansas, and Missouri in the United States. It goes from Lafayette, Louisiana...

Interstate 99 is an Interstate Highway in the state of Pennsylvania in the United States. It goes from Bedford north to Bellefontaine. The route is 85...

Interstate 78 is an Interstate Highway in the United States. It goes from Union Township, Lebanon County, Pennsylvania east to New York City. The route...

Interstate 97 is an Interstate Highway in the state of Maryland in the United States. It goes from Annapolis north to Baltimore. The route is 17.62 miles...

Interstate 8 or I-8 is an Interstate Highway that runs from Interstate 10 near Casa Grande, Arizona to San Diego, California. The route is 348.25 miles...

Interstate 19 is an Interstate Highway in the state of Arizona in the United States. It goes from Nogales at the Mexico border north to Tucson. The route...

Interstate 45 is an Interstate Highway in the state of Texas in the United States. It goes from Galveston north to Dallas. The route is 284.913 miles (458...

Interstate 84 is an Interstate Highway in the United States. It goes from Dunmore, Pennsylvania east to Sturbridge, Massachusetts. The route is 232.39...

Interstate H-1 (or H-1) is the most important interstate highway in Hawaii, United States, located on the island of O‘ahu. The road sees more traffic than...

Interstate 12 is a 85.59 miles (137.74 km) long Interstate Highway in Louisiana, connecting Interstate 10 at each end. It goes from Baton Rouge to Slidell...