2024 Texas Transportation Code 521.311 – Effective Date of Order

2023 Texas Transportation Code 521.311 – Effective Date of Order

2022 Texas Transportation Code 521.311 – Effective Date of Order

2019 Texas Transportation Code 521.311 – Effective Date of Order

2018 Texas Transportation Code 521.311 – Effective Date of Order

2014 Texas Transportation Code 521.311 – Effective Date of Order

2011 Texas Transportation Code 521.311 – Effective Date of Order

2009 Texas Transportation Code 521.311 – Effective Date of Order

2008 Texas Transportation Code 521.311 – Effective Date Of Order