The drunk driving laws in Washington state are complex and constantly evolving.

Friday, August 1, 2003 State DUI Laws Get Tougher
The 2003 Washington State Legislature tightened the DUI laws by enacting two new laws that took effect on July 27, 2003.

Monday, April 21, 2003 Breath Tests Questioned With New Defense Challenge
A challenge to the admissibility of DUI breath tests has been found to be of “countywide significance” by the King County District Court, the first use of a special court rule regarding important legal challenges in DUI cases.