🚛🚛South Dakota Doubles/Triples — Question 16 of 20
How can you be sure you supplied air to a second trailer?
South Dakota CDL Doubles/Triples Test Info
Questions on Exam
20
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
South Dakota DPS
Official CDL PortalReady to pass your South Dakota CDL Doubles/Triples exam?
Get full practice exams, study mode, and simulated tests with detailed explanations.