. U.S. Highway 87, a north-south United States highway (though it is signed east-west in New Mexico) that runs for about 1,998 miles (3,215 km) all the way from northern Montana to southern Texas.
. The majority of the portion from Billings, Montana, to Raton, New Mexico, is co-signed all along Interstates 90 as well as 25. It is also co-signed beside the entire length of Interstate 27 in Texas.
. At the same time as of 2004, the highway's northern terminus is Havre in Montana which is at U.S. Highway 2 and its southern terminus is Port Lavaca, Texas.