Montana | highway | secondary school | state highway | Hannah Montana | Princes Highway | Alaska Highway | Trans-Canada Highway | Helena, Montana | Great Falls, Montana | Jefferson Highway | New Zealand State Highway 1 | Highway to Heaven | Billings, Montana | Maharashtra State Board of Secondary and Higher Secondary Education | Missoula, Montana | Secondary education in the United States | secondary education | Mexican Federal Highway | Federal Highway Administration | Central Board of Secondary Education | Fahrenheit 451 | California Highway Patrol | New Zealand State Highway 6 | Montana State University | Minnesota State Highway 55 | Lincoln Highway | Joe Montana | Indian Certificate of Secondary Education | Stuart Highway |
Continuing south, I-90/US 87 parallels S-451 and the Little Bighorn River, passing by Garryowen, Benteen, Lodge Grass and Wyola before exiting the state of Montana and entering Sheridan County, Wyoming.