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CDL General Knowledge 6 Topics
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CDL General Knowledge: Key Terms
CDL General Knowledge: General Info
CDL General Knowledge: Classifications
CDL General Knowledge: Endorsements and Restrictions
CDL General Knowledge: How to Obtain a CDL
CDL General Knowledge: Disqualifications and Other Rules
CDL Driving Safely 12 Topics Sample Lesson
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CDL Driving Safely: Key Terms
CDL Driving Safely: Inspecting Your Vehicle
CDL Driving Safely: Basic Control of Your Vehicle
CDL Driving Safely: Shifting Gears
CDL Driving Safely: Seeing
CDL Driving Safely: Communicating
CDL Driving Safely: Control Your Speed
CDL Driving Safely: Interactions With Others and Hazards
CDL Driving Safely: Distracted and Aggressive Driving
CDL Driving Safely: Driving At Night and Poor Weather
CDL Driving Safely: Driving Emergencies
CDL Driving Safely: Alcohol and Drugs
CDL Cargo Transport 2 Topics
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CDL Cargo Transport: Key Terms
CDL Cargo Transport: General Info
CDL Passenger Transport 5 Topics
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CDL Passenger Transport: Key Terms
CDL Passenger Transport: General Info
CDL Passenger Transport: Loading
CDL Passenger Transport: On the Road
CDL Passenger Transport: Vehicle Inspection and Prohibited Practices
CDL Air Brakes 5 Topics
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CDL Air Brakes: Key Terms
CDL Air Brakes: General Info
CDL Air Brakes: System Parts
CDL Air Brakes: Dual Air Brake System
CDL Air Brakes: Using Air Brakes
CDL Combination Vehicles 7 Topics
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CDL Combination Vehicles: Key Terms
CDL Combination Vehicles: General Info
CDL Combination Vehicles: Driving Combinations
CDL Combination Vehicles: Combination Vehicle Air Brakes
CDL Combination Vehicles: Anti-Lock Brake Systems
CDL Combination Vehicles: Coupling and Uncoupling
CDL Combination Vehicles: Inspecting Combinations
CDL Doubles and Triples 4 Topics
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CDL Doubles and Triples: Key Terms
CDL Doubles and Triples: Pulling Double/Triple Trailers
CDL Doubles and Triples: Coupling and Uncoupling
CDL Doubles and Triples: Inspecting Doubles and Triples
CDL Tank Vehicles 4 Topics
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CDL Tank Vehicles: Key Terms
CDL Tank Vehicles: Inspecting Tank Vehicles
CDL Tank Vehicles: Driving Tank Vehicles
CDL Tank Vehicles: Safe Driving Rules
CDL Hazardous Materials 8 Topics
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CDL Hazardous Materials: Key Terms
CDL Hazardous Materials: General Info
CDL Hazardous Materials: Hazmat Transportation
CDL Hazardous Materials: Communication
CDL Hazardous Materials: Loading and Unloading
CDL Hazardous Materials: Bulk Packaging and Marking
CDL Hazardous Materials: Driving and Parking
CDL Hazardous Materials: Emergencies
CDL School Bus 8 Topics
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CDL School Bus: Key Terms
CDL School Bus: Danger Zones and Use of Mirrors
CDL School Bus: Loading and Unloading
CDL School Bus: Emergency Exit and Evacuation
CDL School Bus: Railroad-Highway Crossings
CDL School Bus: Student Management
CDL School Bus: Anti-Lock Braking System
CDL School Bus: Special Safety Considerations
CDL Pre-Trip Inspection 7 Topics
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CDL Pre-Trip Inspection: Key Terms
CDL Pre-Trip Inspection: All Vehicles
CDL Pre-Trip Inspection: External Inspection
CDL Pre-Trip Inspection: School Bus
CDL Pre-Trip Inspection: Trailer
CDL Pre-Trip Inspection: Coach/Transit Bus
CDL Pre-Trip Inspection: Taking the CDL Inspection Test

Home » My Account » CDL Study Guide » CDL Driving Safely

CDL Driving Safely: Communicating

Signal Your Intentions to Other Drivers

  • Turn signals
    • Signal well before you turn, while you are turning and don’t forget to turn off the signal after you turn.
    • Signal before you change lanes and change lanes slowly and smoothly.
  • Brake lights
    • Use your brake lights to signal:
      • Slowing down
      • Right turns
      • Trouble ahead
      • Stopping to unload cargo and passengers
      • Driving slowly

Warning Other Drivers

  • Signal other drivers when passing, when it’s hard to see and when parked on the side of the road.
  • Emergency warning devices should be placed when parked on the side of the road within 10 minutes.
    • One way road or divided highway:
      • 10 feet, 100 feet, 200 feet toward approaching traffic
    • Two-way or undivided highway:
      • 10 feet to the front or rear and 100 to the front and rear
    • Curved road:
      • Within 100-500 feet of the vehicle.
      • If vehicle is obstructed, move to signal to point back down the road.

Note: Use your horn with caution as it can distract other drivers.

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