Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration
Office of Planning, Environment, & Realty (HEP)
Paw Print Wildlife and Highways: An Overview Tortoise Underpasses Badger Tunnels Four Tools to Assess Wildlife Linkage Areas Programs to Remove Fish Passage Barriers Bear Underpasses Salamander Tunnels Passages for Large Mammals Goat Underpasses Computer Model Highway-Wildlife Relationships Amphibian-Reptile Wall and Culverts An Overpass for Animals and Humans
PreviousPrevious Photo Photo Credits NextNext Photo

Photo of a Wolf in an Underpass

Passages for Large Mammals 30 of 44
Photo of a Wolf in an Underpass
Photo by Tony Clevenger

Wolves and grizzly bears are more likely to use underpasses like these when there's no sign of human activity nearby. Parks Canada hopes that urging stricter limits on human activity near the crossing structures will increase the numbers of carnivores using them.

Passages for Large Mammals | Table of Contents
Previous Photo | Photo Credits | Next Photo

Updated: 7/18/2012
HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000