Interstate 35

For the character in Intertropolis & Routeville, see Interstate 35 (character).

Interstate 35 (I-35) is a major Interstate Highway in the central United States. As with most interstates that end in a five, it is a major cross-country, north-south route stretching from Laredo, Texas, at the Mexican-American border to Duluth, Minnesota, at Minnesota Highway 61 near the Canadian-American border. The highway splits into Interstate 35E and Interstate 35W in two separate places, the Dallas–Fort Worth metroplex in Texas and at the Minnesota twin cities of Minneapolis–Saint Paul, making I-35 the only interstate highway to have suffix interstate routes.

In addition to the Dallas-Fort Worth and Minneapolis-Saint Paul areas, the major cities that I-35 also connects to include (from south to north) San Antonio; Austin, Texas; Oklahoma City; Wichita; Kansas City; and Des Moines. In addition to the cities, I-35 serves through the states of Texas, Oklahoma, Kansas, Missouri, Iowa, and Minnesota.

At 1,568 mi (2,523 km), Interstate 35 is the ninth-longest Interstate Highway following Interstate 94, and it is the third-longest north-south Interstate Highway, following Interstate 75 and Interstate 95. Even though the route is generally considered to be a border to border highway, this highway does not directly connect to either international border.

I-35's southern terminus is a traffic signal in Laredo, Texas, just short of the Mexican–American border. Travelers going south can take one of two toll bridges across the Rio Grande and the Mexican border, either straight ahead into the Juarez-Lincoln International Bridge, or via Interstate 35 Business through downtown Laredo into the Gateway to the Americas International Bridge.

To the north, I-35 terminates in Duluth, Minnesota, with connections to Canada from the interstate's terminus via Minnesota Highway 61 to Grand Portage, or north to the border at International Falls, Minnesota via U.S. Route 53 in Duluth, but that route is more typically accessed from the south by Minnesota Highway 33 at Cloquet, Minnesota.

Route description

Minnesota

Interstate 35W

Auxiliary routes of Interstate 35

Texas
Oklahoma
Kansas
Missouri
Iowa
Minnesota

Business routes of Interstate 35