2023 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft

2022 Washington Code 46.61.470 – Speed traps defined, certain types permitted–Measured courses, speed measuring devices, timing from aircraft

2020 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft

2019 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft

2018 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft

2016 Washington Code 46.61.470 – Speed traps defined, certain types permitted–Measured courses, speed measuring devices, timing from aircraft

2015 Washington Code 46.61.470 – Speed traps defined, certain types permitted–Measured courses, speed measuring devices, timing from aircraft

2014 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft

2013 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft

2009 Washington Code 46.61.470 – Speed traps defined, certain types permitted — Measured courses, speed measuring devices, timing from aircraft