(a) The State of Arkansas assents to the provisions of Section 30 of the Act of Congress entitled “The Federal-Aid Highway Act of 1968”, Public Law 90-495, approved August 23, 1968; the same being Chapter 5, Title 23 — Highways, United States Code.
(b) The State Highway Commission and the highway, road, and street authorities of the counties and the municipal corporations of Arkansas within their respective jurisdictions are authorized, empowered, and directed to perform such acts as may be necessary to provide relocation assistance in accordance with the provisions of Chapter 5, Title 23, United States Code, and the rules and regulations promulgated thereunder by the United States Secretary of Transportation.