Wildlife Overpass Cuts I-25 Collisions by Up to 91% in Colorado
Colorado's wildlife crossing network along Interstate 25 has reduced collisions by about 85 to 91 percent. The system features fencing, underpasses, and an overpass opened in December 2025. Studies confirm a sharp decline in wildlife-related crashes, with species like elk and pronghorn using the crossings effectively. Colorado plans to build six more crossings to enhance safety.
TOI Science··Colorado


