TxDOT Hazardous Materials Routes

This map has been prepared by the Texas Department of Transportation. This feature layer is for the upkeep of the Non-Radioactive Hazardous Materials routes. State law requires a municipality with a population of more than 850,000 to develop a route for commercial motor vehicles carrying NRHM on a road or highway in the municipality and to submit the proposed route to TxDOT for approval. Routes are either Prohibited, Through Routing, Local Routing only, Gas & Diesel Routing only, or routes that have special provisions. Rules for NRHM routing are contained in the Texas Administrative Code under Title 43, Sections 25.101-25.104. Accuracy is limited to the validity of data as of dates shown. Cities and Counties Covered: City County Amarillo Angelina Beaumont Bell Brenham Bexar Center Brazoria Conroe Cameron Crockett Chambers Dallas Collin Deer Park Comal Dickinson Dallas Edinburg Ector El Paso El Paso Fort Worth Fayette Galveston Fort Bend Harlingen Galveston Hempstead Harris Houston Hidalgo La Grange Houston La Marque Jefferson Laredo Lamar League City Lubbock Lubbock Midland Lufkin Montgomery Mansfield Nacogdoches Midland Potter Mont Belvieu Randall Nacogdoches Shelby New Braunfels Tarrant Odessa Tom Green Paris Victoria Pearland Waller Rosenberg Washington San Angelo Webb San Antonio Santa Fe Stafford Temple Texas City Victoria