(a) Plans and specifications. For federal-aid and state highway improvement projects, plans and specifications must be in compliance with the design manuals and the latest version of the department's standard specifications for construction of highways, streets, and bridges. All construction plans shall be signed and dated by a professional engineer registered in Texas.
(b) Change orders. The department may require standards and procedures to be used in making any design change orders.
(c) Transit projects. Transit projects must comply with all requirements established under §§31.39 - 31.49 of this title (relating to Program Administration).

Source Note: The provisions of this §6.43 adopted to be effective January 8, 1998, 23 TexReg 151; amended to be effective October 21, 2010, 35 TexReg 9361; amended to be effective June 21, 2012, 37 TexReg 4433