Texas Transportation Code - TRANSP § 91.071. Funding

(a) Except as provided in Subsection (b), the department may use any available funds to implement this chapter, including funds from the state infrastructure bank.

(b) Except for money received from the Texas economic development bank fund under Section 489.102, Government Code, and except as provided by Section 91.106(j), the department may not spend money from the general revenue fund to implement this chapter except pursuant to a line-item appropriation.