Interstate 25 in the Great Plains

Within the Great Plains, Interstate 25 (I-25) runs north-south from Buffalo, Wyoming, to Las Cruces, New Mexico. I-25 runs 1061 miles, and it is one of only a few interstates entirely within the Great Plains. If you’re planning a road trip that includes driving along I-25 in the Great Plains, here are some resources to help you plan your trip.

Roadside Attractions Along I-25 Card
Casper & Denver Card
Denver & Billings Card
(also via I-90)
Denver & Cheyenne Card
Santa Fe & Denver Card