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Difficulty: MediumLarge Commercial Trucks and No-Zones

When driving alongside a large commercial tractor-trailer on a multi-lane highway, the blind spot (No-Zone) on the left side of the truck is larger and extends further back than the blind spot on the right side.

Answer: Answer

Answer

False. The right-side blind spot of a large commercial truck is significantly larger and more dangerous than the left-side blind spot.
The statement is false because the right-side blind spot (No-Zone) of a commercial tractor-trailer is much larger and more dangerous than the left-side blind spot. Due to the driver's seating position on the left, visibility to the right side and rear quarter is significantly restricted.

Step-by-Step Solution

1
Identify the positioning of the truck driver relative to vehicle blind spots.
The driver of a commercial tractor-trailer sits on the left side of the vehicle cab.
Driver position determines the direct line of sight and mirror angles available to view surrounding traffic.
2
Compare the sightlines for the left side versus the right side of the truck.
The driver has better direct vision out of the left window, making the left No-Zone smaller. The right side has vast areas obscured by the length of the trailer, creating a much larger and deeper No-Zone.
Side mirrors cannot fully eliminate the large angle of obstructed view on the passenger (right) side of a long commercial vehicle.
3
Evaluate the validity of the statement.
The statement asserts that the left blind spot is larger than the right, which is incorrect.
The right-side No-Zone is the largest and most hazardous blind spot on a commercial truck.

Key Concept

Large Commercial Truck Side Blind Spots (No-Zones)
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Topics

Large Commercial Trucks and No-Zones

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