Examkin

Question

Difficulty: EasySpace for Turns

When navigating an intersection featuring two designated left-turn lanes, a commercial driver should choose the outside (right-hand) turn lane.

Answer: Answer

Answer

True
Commercial vehicle drivers should always use the outside (right-hand) left-turn lane when two turning lanes are available. This position gives the driver better mirror visibility along the left side and allows adequate room for the trailer's off-tracking without crossing into other lanes.

Step-by-Step Solution

1
Analyze how vehicle geometry affects turns at multi-lane intersections.
Due to off-tracking, the rear trailer wheels follow a tighter turning radius than the tractor's front steering wheels.
Understanding off-tracking is essential for selecting the safest lane position.
2
Apply standard CDL lane-selection rules for dual left-turn lanes.
The driver must select the outside (right-hand) turn lane to safely accommodate the trailer path without encroaching on surrounding traffic.
Choosing the outside turn lane prevents the vehicle from swinging wide across adjacent lanes and maximizes mirror visibility during the maneuver.

Key Concept

Dual left-turn lane selection and off-tracking management
Estimated Time:45s
Rate this question

Topics

Space for Turns

More questions from this topic