inckney Island and Savannah Wildlife Refuges, South Carolina
Patuxent Research Refuge, Maryland
Red Cliff Band of Lake Superior Chippewa, Wisconsin
Navajo Nation, Utah
Siskiyou National Forest, Bear Camp Coastal Route, Oregon
Eastern Band of Cherokee Indians, North Carolina
Cumberland Gap National Historic Park, Tennessee
Gifford Pinchot National Forest, US Forest Service, Washington

¹ntersection Safety Issue Brief No. 15 (“Road Safety Audits: An Emerging and Effective Tool for Improved Safety”), issued April 2004 by Federal Highway Administration and Institute of Transportation Engineers.

²Eugene Wilson and Martin Lipinski. NCHRP Synthesis 336: Road Safety Audits, A Synthesis of Highway Practice (National Cooperative Highway Research Program, TRB, 2004)