TxDOT may construct and maintain a comprehensive system of state highways and public roads. Tex. Transp. Code §201.103.

TxDOT may use federal funds for public road construction. Tex. Transp. Code §§ 222.031, 222.034.

A local government may finance and TxDOT may accept funding for the construction of public roads. Tex. Transp. Code §§ 222.051, 222.052, 222.053.

TxDOT is authorized to regulate the placement of public utilities along state highways. Tex. Transp. Code ch. 203, subch. E.

TxDOT is authorized to administer the Transportation Alternatives Program to provide funding for a variety of alternative transportation projects. 43 TAC ch. 11, subch. F.

TxDOT is authorized to administer the Transportation Alternatives Set-Aside Program to provide funding for a variety of alternative transportation projects. 43 TAC ch. 11, subch.G.