2023 Washington Code 47.36.022 – Traffic control signals — Duration of yellow change interval

2022 Washington Code 47.36.022 – Traffic control signals–Duration of yellow change interval

2020 Washington Code 47.36.022 – Traffic control signals — Duration of yellow change interval

2019 Washington Code 47.36.022

2018 Washington Code 47.36.022 – Traffic control signals — Duration of yellow change interval

2016 Washington Code 47.36.022 – Traffic control signals–Duration of yellow change interval

2015 Washington Code 47.36.022 – Traffic control signals–Duration of yellow change interval

2014 Washington Code 47.36.022 – Traffic control signals — Duration of yellow change interval

2013 Washington Code 47.36.022 – Traffic control signals — Duration of yellow change interval