Interstate 25

Number of Miles 1059

• New Mexico - 460 miles
• Colorado - 299 miles
• Wyoming - 300 miles

Major Cities Along the Route

• Las Cruces, New Mexico
• Albuquerque, New Mexico
• Denver, Colorado
• Cheyenne, Wyoming

Intersections with other Interstates

• Interstate 10 in Las Cruces, New Mexico
• Interstate 40 in Albuquerque, New Mexico
• Interstate 70 in Denver, Colorado
• The western Interstate 76 in Denver, Colorado
• Interstate 80 in Cheyenne, Wyoming
• Interstate 90 in Buffalo, Wyoming

• Denver, Colorado - I-225

Notes It is the main north-south highway through Colorado, passing through Cheyenne, Wyoming, near Ft. Collins, Colorado, through Denver, Colorado, Castle Rock, Colorado, Colorado Springs, Colorado, Pueblo, Colorado and over Raton Pass into New Mexico. The I-25 corridor in Colorado is heavily urbanized, passing just east of the front range of the Rocky Mountains.