70:01:03:10Mandatory brake check locations.
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
An operator of a motor vehicle over 26,000 pounds must stop and check the vehicle brakes at the following turnout locations: (1) U.S. Highway 16 south of Rapid City eastbound at milepost 65.5; (2) U.S. Highway 18 west of Hot Springs eastbound at milepost 33.1.
Source: 14 SDR 72, effective November 22, 1987.