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Home›Courses›Driver & Fleet Safety›Best Practices for CMV Drivers: Changing Lanes and Passing

Best Practices for CMV Drivers: Changing Lanes and Passing

10 minutesENDriver & Fleet Safety49 CFR Part 380 - ELDT Requirements; 49 CFR 383.111 - Required Knowledge
Quick Answer

Best Practices for CMV Drivers: Changing Lanes and Passing is a 10-minute online course that trains commercial motor vehicle drivers on safe lane change and passing techniques specific to large trucks and buses. It is designed for CDL holders and CMV operators, and includes a downloadable certificate of completion.

Course Overview

Improper lane changes and passing maneuvers are significant contributors to large truck crashes on highways and multi-lane roads. The size, weight, and limited visibility of commercial motor vehicles make lane-change and passing situations substantially more complex than in passenger vehicles. CMV drivers must account for extensive blind spots, longer acceleration and deceleration distances, and the impact of trailer swing during lane changes. FMCSA data consistently identifies driver behavior as a leading factor in CMV crashes, and improper passing or lane changing is among the most common driver-related crash causes.

This course covers one focused topic from the broader Safe Driving Practices for CMV Drivers curriculum: safe lane changing and passing procedures for commercial vehicles. Your drivers will learn proper mirror use and blind spot awareness during lane changes, gap selection and speed management for safe passing, communication techniques including proper signal timing, and the unique considerations for passing and being passed in a large commercial vehicle.

What You'll Learn

  • Mirror adjustment and systematic mirror-checking procedures for commercial vehicles
  • Blind spot identification - the No-Zone areas around large trucks where passenger vehicles disappear
  • Gap selection and speed management for safe passing on highways and two-lane roads
  • Proper signal timing and communication before, during, and after lane changes
  • Passing procedures specific to oversized loads, combination vehicles, and tandem trailers
  • Defensive strategies when being passed by other vehicles, including wind buffeting effects

Who Needs This Training

  • CDL holders operating tractor-trailers and straight trucks on highways and multi-lane roads
  • CMV drivers with recent lane-change or passing-related incidents or near-misses
  • Fleet managers supplementing driver improvement programs with targeted skills training
  • New CMV drivers completing entry-level driver training supplemental coursework
  • Safety directors addressing specific crash trends in their fleet's driving data

Regulatory Background

FMCSA's entry-level driver training requirements under 49 CFR Part 380 include vehicle handling and safe driving practices as mandatory curriculum topics. The required knowledge areas under 49 CFR 383.111 specifically address visual search, communication, and space management skills that directly apply to lane changing and passing. Federal Motor Carrier Safety Regulations under 49 CFR 392.2 require CMV drivers to comply with all state traffic laws, including those governing lane changes and passing. Driver behavior is identified as a contributing factor in the majority of large truck crashes, and improper passing or lane changes are among the most common causes. Carriers with elevated crash rates may face FMCSA intervention through the Compliance, Safety, Accountability program.

Frequently Asked Questions

A standard tractor-trailer has four major blind spots, known as No-Zones: directly in front of the cab (approximately 20 feet), directly behind the trailer (approximately 30 feet), along the left side extending from the cab mirror back, and along the right side extending from the cab to the rear of the trailer. The right-side blind spot is the largest and most dangerous. Drivers must systematically check all mirrors and use proper head movements before any lane change to verify these areas are clear.
Best practice for CMV drivers is to activate turn signals at least 5 to 8 seconds before initiating a lane change on highways, giving surrounding traffic adequate time to recognize and respond to the intended maneuver. This is longer than the typical recommendation for passenger vehicles due to the greater time required for other drivers to react to a large truck's movement. State laws vary on specific signaling distance requirements, but all require reasonable advance notice.
Yes. The course covers passing procedures on both multi-lane highways and two-lane roads. Passing on two-lane roads is particularly hazardous for CMV drivers because the acceleration required to complete a pass takes longer in a loaded commercial vehicle, and the consequences of misjudging oncoming traffic distance are severe. The course covers gap assessment, acceleration planning, and the decision to abort a pass when conditions change.
Lane-change and passing incidents are among the most common driver-related crash causes for commercial fleets. Targeted training on mirror use, blind spot awareness, and proper passing procedures directly addresses these behaviors. Carriers that implement focused driver improvement training on specific skills like lane changing typically see reductions in the crash types those skills address, which in turn improves CSA scores and reduces insurance costs.
While FMCSA does not mandate a specific number of annual refresher training hours, most fleet safety programs include periodic skills-based training. This 10-minute module is designed to be used as part of an ongoing driver improvement program - either as a standalone refresher assignment or combined with the other best-practices modules to build a comprehensive curriculum. Many carriers assign one module per month to maintain continuous engagement with safe driving practices.

Related Courses

This module is one of six focused best-practices courses for CMV drivers. Employers building a complete fleet safety training program often pair it with CMV Drivers: Right-of-Way and Intersections and CMV Drivers: Curves, Turns, and Downgrades to address the most common driving-behavior crash factors in a single assignment cycle.

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$24.95
per person
Volume Pricing
Team Size Price per Person
1 - 9$24.95
10 - 24$19.95
25 - 49$17.95
50 - 99$17.50
Subtotal $24.95

Certificate of completion included. Downloadable upon passing the final assessment.

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$24.95
per person