Deer Crossing (image) Ecological Society of America Caption Mule deer approach a wildlife overpass at 10 Mile Summit on UC Highway 93 in Nevada. Fences line the highway to discourage deer from attempting to cross through traffic. Credit Nova Simpson Usage Restrictions Credit Nova Simpson Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.