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Office of Planning, Environment, & Realty (HEP)

Wildlife Protection

Keeping It Simple: Easy Ways to Help Wildlife Along Roads

Photo Gallery for Bridge-Site Fish Can Rest Easy, Thanks to Pools Made by Rock Vanes



Photo showing rocks in stream that form W against the bridge central pier and stream banks
PennDOT photo
The W-shaped rock vein resists the accumulation of sediment around the bridge pilings and minimizes disruption of aquatic habitat.

Updated: 12/12/2012
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All Federal Highway Administration (FHWA) information technology systems will be unavailable, Friday, December 2, at 10:00 p.m. to Sunday, December 04, at 11:59 p.m., EDT, while work is being performed on the network. During that time, users will not be able to access any FHWA systems.

If you have any questions or problems, please contact the 5-Help Service Center @ (866) 466-5221 or 5-HelpServiceCenter@dot.gov.