SDCL § 49-16A-89.1: Erection of stop signs until alarms or lighting operational.

If the Department of Transportation orders a railroad to install crossing alarms or orders a crossing to be lighted pursuant to § 49-16A-89, the department shall erect and maintain stop signs, which conform with standards found in the manual on uniform traffic control devices, at the crossing from the time of issuance of the order until such time as the alarms or lighting have been installed and are operational.