(a) District bonds and notes are legal and authorized investments for:
(1) a bank;
(2) a trust company;
(3) a savings and loan association; and
(4) an insurance company.
(b) The bonds and notes are:
(1) eligible to secure the deposit of public funds of this state or a municipality, a county, a school district, or any other political corporation or subdivision of this state; and
(2) lawful and sufficient security for the deposit to the extent of the principal amount or market value of the bonds or notes, whichever is less.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.