2024 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2023 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2022 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2019 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2018 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2016 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2014 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2011 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2009 Texas Transportation Code 223.046 – Use of Fly Ash and Bottom Ash for Road Construction

2008 Texas Transportation Code 223.046 – Use Of Fly Ash And Bottom Ash For Road Construction