Washington
http://www.wsdot.wa.gov/traffic/
(800) 695-ROAD (7623) or 511

Oregon
http://www.tripcheck.com/
(503) 588-2941 (Outside Oregon)
(800) 977-6368 (Inside Oregon)

Idaho
http://511.idaho.gov/
(888) 432-ROAD (7623)

Montana
http://www.mdt.mt.gov/travinfo/
(800) 226-ROAD (7623)
(800) 335-7592 (TTY)
(800) 525-5555 (Highway Patrol Emergency)

British Columbia
http://www.th.gov.bc.ca/bchighwaycam/index.aspx
(800) 550-4997

Nevada
http://www.nevadadot.com/traveler/roads/
(877) 687-6237 (1-877-NVROADS)

California
http://www.dot.ca.gov/
(916) 445-ROAD (7623) (Outside California)
(800) 427-ROAD (7623) (Inside California)