WTKN Bylaws adopted by*: (3VMY)
Alaska DOT (3VMZ)
Arizona DOT (3VN0)
California DOT (3VN1)
Center for Transportation Research/U of Texas (also represents TX DOT) (3VN2)
Idaho DOT (3VN3)
Montana DOT (3VN4)
Oregon DOT (3VN5)
PACCAR Technical Library (3VN6)
Washington State DOT (3VN7)
Utah DOT (3VN8)
Puget Sound Regional Council (3VN9)
Sound Transit Information Center Library (3VNA)
As of 12/11/2007; 12 member organizations (3VNB)