(a) The parts of State Highways 7, 21, and 103, United States Highway 290, and Interstate Highway 10 that create a route from the Pendleton Bridge in Sabine County to the El Paso-Hudspeth County line are designated as the El Camino East/West Corridor.
(b) The part of Interstate Highway 10 that follows the route of the El Camino Real de Tierra Adentro in El Paso County is designated as the El Camino Real de Tierra Adentro East/West Corridor.

(c) To the extent the El Camino East/West Commission reimburses the department for the department’s costs, the department shall:
(1) design and construct markers in consultation with the El Camino East/West Commission to be placed along the corridor indicating the highway number, the appropriate designation, and any other appropriate information; and
(2) erect a marker at each end of the corridor and at appropriate intermediate sites along the corridor.
(d) Funds collected by the department under Subsection (c) shall be deposited to the credit of the state highway fund.