Proceedings. - Northwest Traffic Engineering Conference (Seattle Bureau of Govermental Research and Services, 1949)
Vols. 2- issued as Washington (State) University. Bureau of Governmental Research and Services. Report (JA37. W3)
No proceedings issued for the 1st conference, held at Oregon State College, July 29-30, 1948
Proceedings for 1949 issued by the conference under an earlier name : Northwest Conference on Traffic Engineering
Fourteenth annual of Government, Traffic Engineering Section, was held in conjunction with the 2nd conference, 1949
Eighth conference, 1955, held in conjunction with the 6th Road Builders Clinic, State College of Washington
Keywords: Traffic engineering -- Congresses