Amend HB 2644 (engrossed version) by adding the following at the end of added Section 442.026, Government Code (page 1, between lines 15 and 16): (c) A designation of the Bankhead Highway as a Texas historic highway shall not be construed as a designation under the National Historic Preservation Act (16 U.S.C. 470 et seq.). (d) Local governmental entities located along the Bankhead Highway shall assist the commission in paying for the implementation of this section and the marketing of the highway. (e) Unless available and specifically appropriated for that purpose, the Texas Department of Transportation may not use money in the state highway fund for the implementation of this section or the marketing of the highway. (f) The Texas Department of Transportation is not required to design, construct, or erect a marker under this section unless a grant or donation of funds is made to the department to cover the cost of the design, construction, and erection of the marker. Money received to cover the cost of the marker shall be deposited to the credit of the state highway fund.