CDL knowledge library
Trucking glossary
119 essential terms for CDL applicants, new truck drivers, and transportation professionals—explained in practical language.
from A to Z
Showing 119 of 119 terms
Air Brake
Vehicle Systems
Air Compressor
Vehicle Systems
Air Governor
Vehicle Systems
Air Lines
Vehicle Systems
Air Tank
Vehicle Systems
Alley Dock
Driving Skills
Axle
Vehicle Systems
Backhaul
Freight Operations
Basic Control Skills Test
Licensing & Training
Bill of Lading
Freight Operations
Blind Side Backing
Driving Skills
Bobtail
Freight Operations
Brake Fade
Vehicle Systems
Bridge Formula
Compliance
Bulkhead
Cargo & Equipment
Cab Card
Compliance
Cargo Securement
Cargo & Equipment
CDL
Licensing & Training
Class A CDL
Licensing & Training
Class B CDL
Licensing & Training
Class C CDL
Licensing & Training
CLP
Licensing & Training
Combination Vehicle
Cargo & Equipment
Commercial Motor Vehicle
Compliance
Consignee
Freight Operations
Consignor
Freight Operations
Converter Dolly
Cargo & Equipment
Coupling
Driving Skills
CSA
Compliance
Deadhead
Freight Operations
Diesel Exhaust Fluid
Vehicle Systems
Dispatch
Freight Operations
DOT
Compliance
Doubles and Triples Endorsement
Licensing & Training
Drive Axle
Vehicle Systems
Driver Qualification File
Compliance
Dry Van
Cargo & Equipment
DVIR
Compliance
E Restriction
Licensing & Training
ELD
Compliance
ELDT
Licensing & Training
Endorsement
Licensing & Training
Engine Brake
Vehicle Systems
Exempt Intrastate
Compliance
Fifth Wheel
Cargo & Equipment
Flatbed
Cargo & Equipment
FMCSA
Compliance
Freight
Freight Operations
Fuel Tax
Compliance
GCWR
Weights & Dimensions
General Knowledge Test
Licensing & Training
Glad Hands
Vehicle Systems
Gross Axle Weight Rating
Weights & Dimensions
Gross Combination Weight Rating
Weights & Dimensions
Gross Vehicle Weight Rating
Weights & Dimensions
H Endorsement
Licensing & Training
Hazardous Materials
Compliance
Hotshot Trucking
Freight Operations
Hours of Service
Compliance
IFTA
Compliance
Intermodal
Freight Operations
Interstate Commerce
Compliance
Intrastate Commerce
Compliance
IRP
Compliance
Jackknife
Driving Skills
Jake Brake
Vehicle Systems
Kingpin
Cargo & Equipment
Knowledge Test
Licensing & Training
Landing Gear
Cargo & Equipment
Layover
Freight Operations
Less-Than-Truckload
Freight Operations
Load Board
Freight Operations
Logbook
Compliance
Low Air Warning
Vehicle Systems
Medical Examiner’s Certificate
Compliance
Motor Carrier
Freight Operations
MVR
Compliance
N Endorsement
Licensing & Training
No-Zone
Driving Skills
Non-Excepted Interstate
Compliance
Off-Duty
Compliance
Off-Tracking
Driving Skills
On-Duty Not Driving
Compliance
Out-of-Service Order
Compliance
Over-the-Road
Freight Operations
P Endorsement
Licensing & Training
Payload
Weights & Dimensions
Pintle Hook
Cargo & Equipment
Placard
Compliance
Power Unit
Cargo & Equipment
Pre-Trip Inspection
Driving Skills
Proof of Delivery
Freight Operations
Reefer
Cargo & Equipment
Retarder
Vehicle Systems
Road Test
Licensing & Training
Rollover
Driving Skills
S Endorsement
Licensing & Training
Safety Measurement System
Compliance
School Bus Endorsement
Licensing & Training
Service Brake
Vehicle Systems
Sleeper Berth
Compliance
Sliding Tandems
Cargo & Equipment
Space Management
Driving Skills
Split Sleeper Berth
Compliance
Straight Truck
Cargo & Equipment
Straight-Line Backing
Driving Skills
Surge
Driving Skills
T Endorsement
Licensing & Training
Tandem Axle
Weights & Dimensions
Tanker Endorsement
Licensing & Training
Tractor
Cargo & Equipment
Trailer
Cargo & Equipment
Training Provider Registry
Licensing & Training
Trip Inspection
Driving Skills
Uncoupling
Driving Skills
Vehicle Inspection Test
Licensing & Training
Weigh Station
Compliance
Wheelbase
Weights & Dimensions
X Endorsement
Licensing & Training
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