Environmental Forms & Processes (Stormwater Program, Environmental Management System (EMS), Stage Gate, and Construction BMPs).

Executive Memorandum: Memorandum on Environmentally Beneficial Landscaping, April 26, 1994.

Executive Memorandum: Memorandum on Invasive Species, February 3, 1999.

Highway Traffic Noise Analysis and Abatement Guidance, 2011 Updates, U. S. Department of Transportation, Federal Highway Administration, FHWA-HEP-10-025.

Implementation and Effectiveness of Sound Mitigation Measures on Texas Highways, (HB 790) Final Report, PRC 16-64F, Texas A&M Transportation Institute, Transportation Policy Research Center, October 2016.

Investigating the Applicability of Biotechnical Streambank Stabilization in Texas

, Harlow C. Landphair and Ming-Han Li, Texas Transportation Institute, Report 1836-1, September, 2002.

National Environmental Policy Act, (NEPA), 1969.

Section 6(f) of the Land and Water Conservation Fund Act (LWCF), 1964., TX GOV.CODE. TITLE 4, CHAPTER 447.004.

Standard Details & Specifications (Temporary Erosion Control Measures Details, & Standard Spec Book).

TCEQ Title 30, Part 1, Chapter 344, Subchapter F, Rule 344.62, Section 3(g).