South Dakota Pre-Trip Inspection Test

About the South Dakota Pre-Trip Inspection Test

South Dakota’s roads throw a lot at drivers – long stretches of I-90 and I-29, tight mountain passes in the Black Hills, and sudden blizzards that don't give you a warning. A solid pre-trip inspection isn't just a test requirement; it's a lifesaver. You'll check brakes, lights, and tires before every haul, especially when you're pulling grain from the eastern farms or hauling oil from the western fields.

Our practice test mirrors the state's official scoring sheet. You'll walk through every component the South Dakota DPS examiner expects: air brakes, steering, suspension, couplers, lights, and more. We've added questions that highlight the real-world conditions you'll face here – like checking your ABS on icy winter mornings or verifying tire pressure for those hot, flat stretches in the summer.

Don't waste time on generic tests that ignore South Dakota's specifics. This one's built for you. You'll get instant feedback, and you can retake it as many times as you need. Use it to build muscle memory before your official test. Remember: in South Dakota, the examiner gives you 30 minutes, and you can't use any notes. We'll help you memorize the sequence so you pass on the first try.

What This Test Covers

• Air Brakes – crucial for stopping on icy I-90 in winter, especially when hauling heavy loads.
• Steering & Suspension – rough roads near the Black Hills mean you must check for play and leaks.
• Lights & Reflectors – essential for visibility during frequent fog and snow in eastern South Dakota.
• Tires & Wheels – hot summers on long highways like US-14 can cause blowouts if you don't inspect tread and pressure.
• Coupling Devices – fifth wheel checks are vital when pulling livestock trailers in the western part of the state.
• Emergency Equipment – South Dakota law requires flares, reflective triangles, and a fire extinguisher; examiners check these every time.

Study Tips

Start by reading the South Dakota CDL Manual's pre-trip section. Then use our practice test to drill the sequence. We recommend saying each item out loud as you point – that's exactly what the examiner expects. Don't just memorize words; learn why each check matters. For example, when you check the brake chambers, explain that a 1-inch pushrod travel is the limit. That proves you understand.

Practice on the vehicle you'll use for the test. South Dakota allows your own truck, but it must pass a basic safety check. Make sure all lights work, tires aren't bald, and there's no fluid leaks. Also, time yourself – you've got 30 minutes, and most people run out if they hesitate. Use our timer feature to stay on pace.

A common mistake is skipping the 'in-cab' checks. In South Dakota, you can't forget the parking brake test, the low-air warning buzzer, and the air loss rate. We've included those in our practice set. Review them twice – they're easy points.

South Dakota DMV Information

South Dakota CDL skills tests happen at DPS offices in Sioux Falls, Rapid City, Aberdeen, and a few other locations. You'll need to schedule an appointment online or by phone. Walk-ins aren't allowed, so don't just show up. The test fee is $60 for the first attempt, and $30 for each retake. Payment is by cash, check, or credit card – check with your local office first.

You must bring a valid commercial vehicle that's registered and insured. The vehicle must have a valid inspection sticker, but it doesn't have to be a specific yard inspection – just a current safety inspection from any shop. If you're using a rental, make sure it's clean and all gauges work. The examiner won't touch your truck; they'll watch you inspect it.

South Dakota doesn't have a separate pre-trip endorsement. The inspection is part of the standard CDL skills test for all classes. However, if you're applying for a school bus endorsement, you'll also need to demonstrate a brief school bus-specific inspection. Otherwise, the process is the same for Class A, B, and C. Check the DPS website for any last-minute rule changes.

Frequently Asked Questions

Related Resources

Other South Dakota CDL Practice Tests

Test Details

• State: South Dakota
• Test: Pre-Trip Inspection Test
• Questions: 100
• Passing Score: 80%
• Time Limit: 30 minutes
• Cost: Free

Need ELDT Training?

If you're getting your first CDL, you need ELDT theory training before your skills test.