South Dakota Codified Laws
Chapter 07 - Interstate Highway System
Section 31-7-10 - State highway funds used for construction.

31-7-10. State highway funds used for construction.
The department may use such state highway funds as are required by federal highway acts for matching federal funds allocated for construction on the interstate system.

Source: SL 1955, ch 104, §5; SDC Supp 1960, §28.0235; SL 1963, ch 163; SL 2010, ch 145, §57.