Interstate 25

I-25 redirects here. For the submarine, see I-25 (submarine).

Interstate 25 (abbreviated I-25) is an interstate highway in the western United States. Its odd number indicates that it is primarily a north-south highway. It goes from Interstate 10 at Las Cruces, New Mexico to Interstate 90 in Buffalo, Wyoming.

Bolded cities are officially-designated control cities for signs.

Interstate 10 to Sunport Blvd, Albuquerque (#221) - 2 lanes
Sunport Blvd (#221) to Lead Ave (#224) - 3 lanes
Lead Ave (#224) to Paseo del Norte (#232) - 4 lanes
Paseo del Norte (#232) to Tramway Blvd (#234) - 3 lanes
Tramway Blvd (#234) to US 550 (#242) - Under Construction, being expanded to 3 lanes
US 550 (#242) to NM 16 (#264) - 2 lanes
NM 16 (#264) to Exit #267 - 3 lanes northbound, 2 lanes southbound
Exit #267 to Colorado state line - 2 lanes

New Mexico state line to S. Circle Drive exit, Colorado Springs (#138) - 2 lanes
S. Circle to Fillmore St. (#145) - 3 lanes except under Bijou St. bridge (2 lanes)
Fillmore St. (#145) to Founders Pkwy., Castle Rock (#184) - 2 lanes
Founders Pkwy., Castle Rock (#184) to Lincoln Ave., Lone Tree (#193) - 3 lanes
Lincoln Ave. to I-225 exchange (#200) - 5 lanes
I-225 exchange to #212 - 3 lanes (more lanes under construction; this is currently coinciding with the construction of a new light rail line as part of the T-Rex Project)
#212 US-36: 4 Lanes
US-36 to SH 52/Dacono (#235) - 3 Lanes
SH 52 to Wyoming state line - 2 lanes

75 mph (120 km/h) except:
65 mph (100 km/h) through the towns of Trinidad and Pueblo, with a few sections at 50 mph (80 km/h)
55 mph (90 km/h) through the city of Colorado Springs (45 in construction zone, Jul 2005-Dec 2006)
55 mph (90 km/h) through sections of Denver

The I-40 and I-25 interchange in Albuquerque, New Mexico was given an honorable mention by the United States Department of Transportation and the Federal Highway Administration for excellence in urban highway design in 2002. ^*
It is the main north-south highway through Colorado, passing through Cheyenne, Wyoming, near Fort 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. This stretch is currently involved in a massive renovation named T-REX EXpansion) in Denver, and COSMIX [http://www.cosmixproject.com/ (Colorado Springs Metro Interstate Expansion) scheduled to begin in August 2005.
The section between Romeroville, New Mexico and Los Lunas, New Mexico closely follows the original alignment of U.S. Highway 66, which was later shortened and realigned to run straight west from Santa Rosa, now replaced with Interstate 40.

2005 Rand McNally "The Road Atlas 2005" - newest feature- interstate mileage by state
Interstate 25 by Matthew Salek
Freeway Exits of Colorado

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