SDCL § 31-4-14.3: Failure to observe notice of closure or use restriction as misdemeanor--Violators subject to action for civil penalty and cost of rescue.

Any person who fails to observe any sign, marker, warning, notice or direction, or barrier placed or given under § 31-4-14.2 is guilty of a Class 2 misdemeanor. Any unauthorized presence on a closed highway is evidence of a violation of this section. If, as a result of a knowing violation of this section for failure to observe a notice provided pursuant to § 31-4-14.2, any agency of the State of South Dakota or any governmental subdivision incurs any costs for the purpose of rescuing the violator, any passengers, or the vehicle operated by the violator, the violator is subject to a civil action by the State of South Dakota in circuit court for the recovery of a civil penalty of up to one thousand dollars and the actual cost of any such rescue, in an amount not to exceed ten thousand dollars.