COLORADO — Along a busy stretch of Interstate 25 between Denver and Colorado Springs, wildlife and motorists are finding a safer way to share the landscape.
Colorado transportation officials report that wildlife crossings and fencing installed along the I-25 South Gap corridor have reduced wildlife-vehicle collisions by 91%. The success reflects an entire system of protective fencing and underpasses—not the newly completed overpass alone.
In December 2025, Colorado completed the I-25 Greenland Wildlife Overpass near Larkspur. Spanning six lanes of interstate, the bridge connects wildlife habitat on both sides of the highway, providing an additional route for animals such as elk and pronghorn to move safely.
For drivers, fewer collisions mean safer trips. For wildlife, connected habitat means a better chance of moving freely across a landscape divided by roads.
It’s an encouraging example of what can happen when thoughtful engineering and environmental stewardship work together.
Sometimes progress looks like building a bridge—even when the travelers have four legs.
Sources: Colorado Department of Transportation and Colorado Politics.
By Kristina Harshman
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