WTSC - Traffic Safety Statewide Survey - 2023 Washington Traffic Safety Commission Information Set Information Website - WTSC [ Info ] Methodological Plan - v1 [ Info ] Sampling Plan - v1 [ Info ] Paper Survey Instrument - v1 [ Info ] Data Compendium - v1 [ Info ] Related WIDAC - Council Meeting (October 12, 2023) - Information Set WTSC - Information Set