(a) The part of U.S. Highway 290 in Harris County between the Harris County boundary with Waller County and Interstate Highway 610 is designated as the Ronald Reagan Memorial Highway.
(b) The department shall design and construct memorial markers indicating the highway number, the designation as the Ronald Reagan Memorial Highway, and any other appropriate information.

(c) The department shall erect a marker at each end of the highway and at appropriate intermediate sites along the highway.
(d) The department is not required to design, construct, or erect a marker under this section unless the department receives a grant or donation to cover the cost of the design, construction, and erection.
(e) Funds collected under § 225.021 for the purpose of implementing this section shall be deposited to the credit of the state highway fund.