31-6-2. Cooperation of department in selection of system. The department may cooperate with the various boards of county commissioners, and other appropriate local road officers of the state, and the Federal Highway Administration, in the selection of a system of secondary roads as set out in Title 23, United States Code, and may submit to the Federal Highway Administration in the same manner as other federal aid projects are now submitted, projects for improving any roads on the principal secondary roads, rural free delivery mail, and public school bus routes, either outside of municipalities or inside of municipalities of less than five thousand population, and which are not on the federal aid primary highway system or state trunk highway system.
Source: SL 1939, ch 112, § 2; SL 1945, ch 116; SDC Supp 1960, § 28.0225; SL 1984, ch 207, § 2; SL 2010, ch 145, § 41.