Paper No. 09-0488
Paul J. Carlson, Ph.D., P.E.*
Research Engineer
Texas Transportation Institute
The Texas A&M University System
3135 TAMU
College Station, TX 77843-3135
979-845-6004 (office)
979-845-6006 (fax)
paul-carlson@tamu.edu
Eun Sug Park, Ph.D.
Associate Research Scientist
Texas Transportation Institute
The Texas A&M University System
3135 TAMU
College Station, TX 77843-3135
(979) 845-9942
e-park@tamu.edu
Carl K. Andersen
Roadway Team Leader
Office of Safety Research and Development
Turner-Fairbank Highway Research Center
Federal Highway Administration
6300 Georgetown Pike
McLean, VA 22101
(202) 493-3366
carl.andersen@fhwa.dot.gov
* Corresponding Author
August 1 2008
Word Count: 7,287
For TRB 88th Annual Meeting
(January 11-15, 2009)