WTSC - Traffic Safety Statewide Survey - 2023 - Paper Survey Instrument - v1 Tuesday May 30, 2023 11:50 AM Washington Traffic Safety Commission (WTSC) Source https://wtsc.wa.gov/.../WA-WTSC-Traffic-Survey-2023-Teleform-FINAL-6.27.2023.pdf Published: Wednesday October 18, 2023 9:30 AM Replications Cannabis Observer Information Set Membership WTSC - Traffic Safety Statewide Survey - 2023