7 Endorsements
1 Written test each
HZ Requires TSA background check

Not all endorsements apply to every CDL class. Use the CDL Selector to find what you need.

HZ
⚠️ CDL HazMat (H) Endorsement: Federally Required

Kansas Hazardous Materials Endorsement

When It's Required in Kansas

In Kansas (KS), required to transport any quantity of hazardous materials that require placarding under federal HazMat regulations.

What to Study for the KS Test

For the Kansas (KS) Hazardous Materials test, study shipping papers, placard and label selection, safe loading and segregation, emergency response procedures, and security-awareness requirements under federal law.

Hazardous Materials in Kansas (KS)

  • Wheat and grain hauling: anhydrous ammonia and crop chemicals under placards
  • Energy equipment: fuel, propane, and oilfield chemical deliveries that require placards (X endorsement with Tank)
TK
🛢️ CDL Tank (N) Endorsement: Common Add-on

Kansas Tank Vehicles Endorsement

When It's Required in Kansas

In Kansas (KS), required for vehicles designed to transport liquids or gases in a tank permanently or temporarily attached to the vehicle, with individual tank capacity of more than 119 gallons.

What to Study for the KS Test

For the Kansas (KS) Tank Vehicles test, study liquid surge and baffled tanks, outage allowances, inspections, high-center-of-gravity handling, and rollover prevention strategies.

Tank Vehicles in Kansas (KS)

  • Wheat and grain hauling: liquid fertilizer and anhydrous ammonia tanks for the growing season
  • Energy equipment: crude, condensate, and fuel tankers serving the oil and gas fields
PS
🚌 CDL Passenger (P) Endorsement

Kansas Passenger Endorsement

When It's Required in Kansas

In Kansas (KS), required for commercial vehicles designed to carry 16 or more passengers including the driver: charter buses, transit coaches, and similar vehicles.

What to Study for the KS Test

For the Kansas (KS) Passenger test, study passenger safety protocols, controlled loading and unloading, emergency door operation, on-road passenger management, and distracted-driving rules.

Passenger in Kansas (KS)

  • Transit agencies, charter companies, and church or community buses across Kansas
SB
🚐 CDL School Bus (S) Endorsement

Kansas School Bus Endorsement

When It's Required in Kansas

In Kansas (KS), required for any driver transporting school-age students in a vehicle classified as a school bus under federal or state law.

What to Study for the KS Test

For the Kansas (KS) School Bus test, study student loading zones, stop-signal arm procedures, railroad crossing rules, mirror adjustment, emergency evacuation drills, and state-specific school bus regulations.

School Bus in Kansas (KS)

  • Kansas school districts and their contractors: every route driver needs S plus P
  • Activity and athletics trips, which use the same S-endorsed drivers
DT
🚚 CDL Doubles/Triples (T) Endorsement

Kansas Doubles & Triples Endorsement

When It's Required in Kansas

In Kansas (KS), required to pull double or triple trailers where permitted by state law. Common in regional and long-haul freight operations.

What to Study for the KS Test

For the Kansas (KS) Doubles & Triples test, study coupling and uncoupling double and triple combinations, pull-out stability, off-tracking behavior, full combination inspections, and safe following distance.

Doubles & Triples in Kansas (KS)

  • Wheat and grain hauling: double grain hoppers at harvest where the state allows them
AB
🛑 CDL Air Brakes Test: Most Drivers Need It

Kansas Air Brakes Endorsement

When It's Required in Kansas

In Kansas (KS), required for any vehicle equipped with an air brake system, which covers most Class A tractor-trailers and many Class B straight trucks.

What to Study for the KS Test

For the Kansas (KS) Air Brakes test, study air brake components, dual-circuit systems, inspection procedures, warning devices, pressure gauges, and stopping distance at highway speeds.

Air Brakes in Kansas (KS)

  • Aviation manufacturing: the heavy-haul tractors and straight trucks on aerospace plant routes
  • Beef and meat processing: livestock and reefer tractors on air brakes
  • Energy equipment: nearly every oilfield truck runs air brakes
  • Almost every Class A and Class B vehicle in Kansas; skip this test and your CDL carries an L restriction
CV
🚛 CDL Combination Vehicles Test: Class A Essential

Kansas Combination Vehicles Endorsement

When It's Required in Kansas

In Kansas (KS), essential for Class A drivers operating tractor-trailers, lowboys, and other multi-unit combinations over federal weight thresholds.

What to Study for the KS Test

For the Kansas (KS) Combination Vehicles test, study coupling and uncoupling procedures, air line connections, trailer handling characteristics, off-tracking, and full combination vehicle inspections.

Combination Vehicles in Kansas (KS)

  • Wheat and grain hauling: grain hoppers from elevators to processors and terminals
  • Aviation manufacturing: oversize aircraft sections and aerospace components on specialized flatbed and step-deck trailers
  • Beef and meat processing: livestock trailers and refrigerated meat loads
  • Energy equipment: tractor-trailer rigs hauling pipe, rig equipment, and frac sand

Next steps

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