Washington State
Transportation Center (TRAC)

TRAC-UW
1107 NE 45th St
Seattle, WA
Phone: 206.543.8690
Fax: 206.685.0767

TRAC-WSU
Sloan Hall, Room 101
PO Box 642910
Pullman, WA 99164-2910
Phone: 509.335.3175
Fax: 509.335.7632

WSDOT Research Office
Transportation Building
Washington State Department
of Transportation
310 Maple Park Avenue SE
PO Box 47300
Olympia WA 98504-7300
Phone: 360.705.7000

Revised April 13, 2007

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