Parts and accessories - South Dakota

Federal regulations

South Dakota has adopted Part 393 of the Federal Regulations.

Applicability

Part 393 applies to drivers and motor carriers operating intrastate vehicles and combinations of vehicles with three or more axles or with a gross vehicle weight rating of 26,001 or more pounds, and any size or type of vehicle used to transport hazardous materials requiring placarding.

First aid kit

No requirement.

Tires, studded

No person may operate during the time period of May 1 to September 30 of each year, upon the highways of this state, a motor vehicle equipped with pneumatic tires in which there are embedded metal studs or wires of tungsten steel or other similar metal (tire chains). However, any motor vehicle may be operated during the time period extending from October 1 to April 30, with studded tires.

Any motor vehicle with pneumatic tires that features an embedded block, stud, flange, cleat, spike, or other protuberance that is retractable may be used at any time of the year. However, no such block, stud, flange, cleat, spike, or other protuberance may be engaged or extended from May 1 to September 30.

Tire chains

Tire chains of reasonable proportions are permissible when required for safety because of snow, ice, or other conditions tending to cause a vehicle to slide or skid.