South Dakota Codified Laws
Chapter 29 - Required Stops
Section 32-29-11 - Location of mandatory brake checks--Failure to stop as misdemeanor.

32-29-11. Location of mandatory brake checks--Failure to stop as misdemeanor.
The transportation commission may, pursuant to chapter 1-26, adopt rules designating the location of mandatory turnouts where operators of motor vehicles over twenty-six thousand pounds shall stop and check the vehicle brakes. The location of the mandatory turnout shall be conspicuously signed. The failure to stop at a conspicuously signed mandatory brake check turnout is a Class 2 misdemeanor.

Source: SL 1987, ch 238.