< Close-up of barrier wall being constructed along U.S. 441  The concrete wall is 3 ½ feet tall with a 6" lip that will prevent most animals from getting onto the road.

click images to enlarge

This is one of the 4 pre-existing box culverts under U.S. 441. In addition, four 3' dia. x 120´ long culverts are being added under the road to act as ecopassages.  These will allow wildlife to cross under the road safely. >

< Inside one of the box culverts.  Funnel traps are used to live capture amphibians, reptiles, and small mammals. This is one of several methods used to monitor wildlife usage of the culverts.

In addition to funnel traps, motion-sensor cameras are placed in the culverts to record animals traveling through the tunnels. Animals such as armadillos, otters, and raccoons are frequently caught in the act. >

Click here for more motion-sensor images

U.S. Department of the Interior | U.S. Geological Survey
URL: http://cars.er.usgs.gov
Page Contact Information: Buck Albert - Web Administrator
Page Last Modified: March 17 2006