research and planning

research and planning Sec. 151. Subsection (c) (1) of section 307 of title 23. United States Code, is amended to read as follows: “(c) (1) Not to exceed 1½ per centum of the sums apportioned for each fiscal year beginning with fiscal year 1974 to any State under section 104 of this title shall be available for expenditure upon request of the State highway department, with the approval of the Secretary, with or without State funds, for engineering and economic surveys and investigations; for the planning of future highway programs and local public transportation systems and for planning for the financing thereof; for studies of the economy, safety, and convenience of highway usage and the desirable regulation and equitable taxation thereof; and for research and development, necessary in connection with the planning, design, construction, and maintenance of highways and highway systems, and the regulation and taxation of their use.”