South Dakota Highway Patrol Motor Carrier Services Mission.CDL Classifications, Endorsements, Restrictions & Exemptions.Chapter 7: Motor Carrier Safety Program.Chapter 6: Commercial & Agricultural Vehicle Permits.Federal Motor Carrier Safety Regulations.International Fuel Tax Agreement (IFTA).South Dakota SD511 Traveler Information.State-Owned Structures Posted for Emergency Vehicles.State-Owned Structures Posted for Load Restrictions.Federal Safety Regulations and Programs.