Question 131 of 140

How does off-tracking interact with a marked turn lane that has a tight curb radius, such as at some urban intersections?

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Off-tracking is a concern only on roads without marked turn lanes
A tight curb radius leaves less margin for the trailer's off-tracking path, increasing the risk of hitting the curb
Tight curb radii have no effect on off-tracking outcomes
Marked turn lanes are always wide enough to accommodate any trailer length or wheelbase configuration

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Correct answer to question 131 (Combination Vehicles): A tight curb radius leaves less margin for the trailer's off-tracking path, increasing the risk of hitting the curb

Why

Intersections with a tight curb radius give less room for a trailer's tighter, off-tracked path, so drivers need to be especially careful about positioning and speed when turning at these locations.

Updated: November 2026

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How does off-tracking interact with a marked turn lane that has a tight curb radius, such as at some urban intersections?

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