WA SB5067

Lowers Washington's blood alcohol concentration (BAC) limit for DUI from 0.08 to 0.05, effective July 1, 2026, aligning with the standard used by 84% of the world's population

Responds to 2023 being the deadliest year on Washington roads since 1990, with 734 fatal crashes resulting in over 810 deaths and a 59% increase in impaired driver crashes between 2019 and 2023

Updates breath test calibration standards from 0.072-0.088 to 0.045-0.055 for external standard verification, and adjusts related testing and evidentiary provisions across multiple statutes

Requires the Washington Traffic Safety Commission to develop a multilingual public information campaign with TV, radio, print, and online advertisements, including content in the top nine non-English languages spoken in the state

Mandates the Washington State Institute for Public Policy to evaluate the law's impacts by March 1, 2029, examining effects on traffic crashes, DUI arrests, equity outcomes, and the hospitality industry