2023 Washington Code 47.56.870 – State route No. 520 corridor — Tolls authorized — Eligible toll facility — Toll revenue — Toll rate schedule — Bridge replacement program, work groups

2022 Washington Code 47.56.870 – State route No. 520 corridor–Tolls authorized–Eligible toll facility–Toll revenue–Toll rate schedule–Bridge replacement program, work groups

2020 Washington Code 47.56.870 – State route No. 520 corridor — Tolls authorized — Eligible toll facility — Toll revenue — Toll rate schedule — Bridge replacement program, work groups

2019 Washington Code 47.56.870

2018 Washington Code 47.56.870 – State route No. 520 corridor — Tolls authorized — Eligible toll facility — Toll revenue — Toll rate schedule — Bridge replacement program, work groups

2016 Washington Code 47.56.870 – State route No. 520 corridor–Tolls authorized–Eligible toll facility–Toll revenue–Toll rate schedule–Bridge replacement program, work groups

2015 Washington Code 47.56.870 – State route No. 520 corridor–Tolls authorized–Eligible toll facility–Toll revenue–Toll rate schedule–Bridge replacement program, work groups

2014 Washington Code 47.56.870 – State route No. 520 corridor — Tolls authorized — Eligible toll facility — Toll revenue — Toll rate schedule — Bridge replacement program, work groups

2013 Washington Code 47.56.870 – State route No. 520 corridor — Tolls authorized — Eligible toll facility — Toll revenue — Toll rate schedule — Bridge replacement program, work groups