Three mule deer were the first animals documented using a new wildlife overpass on U.S. 97 in Northern California while the project was still nearing completion, according to researchers from the UC Davis Road Ecology Center and the California Department of Transportation. A trail camera captures three mule deer crossing the new U.S. 97 wildlife overpass near Grass Lake in Siskiyou County. The project is California’s first wildlife overcrossing over a state highway. Photo cou