2023 Washington Code 46.61.055 – Traffic control signal legend

2022 Washington Code 46.61.055 – Traffic control signal legend

2020 Washington Code 46.61.055 – Traffic control signal legend

2019 Washington Code 46.61.055 – Traffic control signal legend

2018 Washington Code 46.61.055 – Traffic control signal legend

2016 Washington Code 46.61.055 – Traffic control signal legend

2015 Washington Code 46.61.055 – Traffic control signal legend

2014 Washington Code 46.61.055 – Traffic control signal legend

2013 Washington Code 46.61.055 – Traffic control signal legend

2009 Washington Code 46.61.055 – Traffic control signal legend