Driver's License Test Prep
Florida Practice Warning Signs

A yellow diamond warning sign shows two lanes narrowing into one on the right side. According to the Florida manual, what does it tell drivers to do?

Yellow diamond with a black diagram of two lanes where the right lane tapers and ends at a dashed line
  1. A.
    Slower traffic must move over to the right-hand lane.
  2. B.
    The divided highway is ending; keep to the right.
  3. C.
    A restricted lane for buses is starting on the right.
  4. D.
    The right lane ends and traffic there must merge left. Correct
The Why

The answer is "The right lane ends and traffic there must merge left."

The right lane ends and traffic in it must merge left, while drivers already in the left lane should leave room for the merge. The tempting wrong answer is the slower-traffic-keep-right rule, because drivers reach for that familiar highway habit any time a sign shows lanes changing near the right edge.

Why the others miss

The traps in the wrong answers

A. Slower traffic must move over to the right-hand lane.

That is the Slower Traffic Keep Right regulatory instruction, not the Reduction of Lanes warning. This answer reaches for the slower-traffic-keep-right habit whenever a sign shows lanes changing near the right edge.

B. The divided highway is ending; keep to the right.

Divided Highway Ends is a separate sign; this warning is about a lane dropping, not a median dropping. This answer swaps a lane-drop diagram for the median-end diagram taught on the same page.

C. A restricted lane for buses is starting on the right.

Restricted lane notices are regulatory signs; this yellow warning marks a lane ending, not a restriction beginning. This answer treats any lane-change diagram as a restricted-lane notice.

The Rule

This question tests your knowledge of Warning Signs in Florida. Source: Florida Driver Manual, "Warning Signs: Reduction of Lanes," p.49..

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