Vue Her, P.E. 

California Department of Transportation 
Roadside Safety Research Group
Sacramento, CA 95819
5900 Folsom Blvd, MS-5
(916) 227-5828
[email protected]

Christopher Caldwell, P.E. 

California Department of Transportation 
Roadside Safety Research Group
Sacramento, CA 95819
5900 Folsom Blvd, MS-5
(916) 591-2877
[email protected]