Old Oregon Trail Highway
The Old Oregon Trail Highway was an auto trail roughly following the Oregon Trail from Independence, Missouri to Seaside, Oregon and Olympia, Washington. In the U.S. Highway system, it became:
- US 40, Kansas City to Wamego
- No through road, Wamego to Grand Island via Marysville, Fairbury, Hebron, and Hastings
- US 30, Grand Island to Ogallala
- US 26, Ogallala to Dwyer
- US 185, Dwyer to Orin
- US 20, Orin to Casper
- US 87E, Casper to Muddy Gap
- No through road, Muddy Gap to Granger
- US 30N, Granger to Cotterel
- US 30, Cotterel to Astoria
- US 101, Astoria to Seaside
- US 99, Portland to Olympia
The name is still used in Oregon for Interstate 84 east of U.S. Route 730, which is named the Old Oregon Trail Highway No. 6.
