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Oklahoma drivers license restriction codes a driver#
Oklahoma drivers license restriction codes a manual#
Oklahoma drivers license restriction codes a full#

Restriction: Prohibits you from driving any Class A vehicle that has a fifth wheel connection.

Occurs when you possess a Class B CDL, but earned your passenger/school bus endorsement driving a Class C vehicle.

N Restriction: Restricts you to operating a Class C passenger vehicle/school bus ONLY.

Occurs if you possess a Class A CDL, but earned your passenger/school bus endorsement driving a Class B vehicle.

M Restriction: Restricts you to operating a Class B or C passenger vehicle/school bus ONLY.

Occurs if you tested in a vehicle with an air over hydraulic brake system.

Oklahoma drivers license restriction codes a full#

Z Restriction: Also prohibits you from driving a CMV with full air brakes.

Take the road skill test in a CMV lacking a full air brake system.Fail to properly conduct an air brakes system check.Incorrectly identify air brake system components.L Restriction: Prohibits operation of a vehicle containing a full air brake system.Occurs when you take your skills test in a CMV with automatic transmission.

Oklahoma drivers license restriction codes a manual#

E Restriction: Prohibits you from operating vehicles with a manual transmission.

Oklahoma drivers license restriction codes a driver#

X Endorsement: Combination endorsement for HAZMAT and tank vehicles.Ĭheck with your state to determine the exact process required for adding an endorsement to your commercial driver license.Ī restriction placed on your commercial driver's license may keep you from operating certain types of vehicles.Ĭommon federal CDL restriction codes are listed below:.T Endorsement: Allows you to tow a double or triple trailer.See our guide to passenger and school bus endorsements. ALSO requires separate application forms, fees, and background checks.S Endorsement: Permits the operation of a school bus.Requires written knowledge AND road skills tests.P Endorsement: Allows you to operate a vehicle that carries over a specified number of passengers (the exact number may depend on your state).Requires an additional written knowledge test.N Endorsement: Permits you to operate tank vehicles.

H Endorsement: Required for vehicles containing hazardous materials.

In either case, additional testing and fees will be required.Īfter you have satisfied the requirements for a Class A, B, or C commercial driver's license, you may also need to pass additional written and road driving tests to operate special types of commercial motor vehicles.īelow is a list of the federal endorsement codes you may need in addition to your CDL and what tests will be required by your state. In order to drive certain types of vehicles with a commercial driver's license (CDL), it may be necessary to add an endorsement or remove a restriction.