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Difficulty: MediumWarning Signs

The yellow diamond-shaped 'Added Lane' warning sign (MUTCD W4-3) alerts drivers that entering traffic will merge directly into their existing lane, requiring main-road drivers to change lanes or yield the right-of-way.

Answer: Answer

Answer

False. The 'Added Lane' warning sign indicates that a new, dedicated continuous lane is formed for entering traffic, meaning vehicles entering the roadway do not need to merge directly into existing traffic lanes.
The statement is false because the 'Added Lane' warning sign explicitly informs drivers that entering traffic receives its own dedicated continuous lane. Entering drivers do not need to merge into existing traffic flow, and drivers already on the roadway do not need to yield or alter position to accommodate them.

Step-by-Step Solution

1
Identify the standard MUTCD meaning of the 'Added Lane' (W4-3) warning sign.
The sign depicts a straight vertical arrow alongside a curved arrow separated by an alignment line, representing a new continuous travel lane.
Recognizing the visual symbol determines legal right-of-way and required driver actions.
2
Compare the function of an 'Added Lane' sign with a standard 'Merge' sign (W4-1).
A 'Merge' sign warns that two separate lanes converge into a single lane requiring traffic to merge, whereas an 'Added Lane' sign signifies that entering traffic receives its own dedicated lane without needing to merge.
Distinguishing between merging traffic and added continuous lanes prevents unnecessary stopping, sudden braking, or abrupt lane changes.

Key Concept

Interpretation of the 'Added Lane' (W4-3) Warning Sign versus Merging Traffic
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Warning Signs

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