Driver's License Test Prep
Texas Practice Regulatory Signs

A regulatory sign on a Texas multi-lane road reads 'LEFT LANE FOR PASSING ONLY.' According to the manual, what does the sign reserve the far-left lane for?

  1. A.
    Trucks and vehicles hauling large loads.
  2. B.
    Faster traffic maintaining the posted speed limit.
  3. C.
    Drivers exiting the highway at the next left ramp.
  4. D.
    Passing slower traffic in that direction. Correct
The Why

The answer is "Passing slower traffic in that direction."

The sign restricts the farthest left lane to the act of overtaking; slower traffic uses another lane. Choice B is the trap. Drivers work off the shorthand that the left lane is the fast lane, so anyone doing the posted speed or above belongs there: but the manual anchors the restriction to passing, not to how fast you are willing to drive.

Why the others miss

The traps in the wrong answers

A. Trucks and vehicles hauling large loads.

There is no oversize-load reservation on the left lane in the manual's rule. This answer confuses the passing-lane rule with a truck- or wide-load-only lane assignment.

B. Faster traffic maintaining the posted speed limit.

The sign reserves the lane for the act of passing, not for a category of driver based on speed. This answer substitutes the 'left lane is the fast lane' shorthand for the manual's passing-only rule.

C. Drivers exiting the highway at the next left ramp.

The sign does not point to a left-side exit; it restricts lane use. This answer reads 'LEFT LANE' as a directional guide to an upcoming ramp.

The Rule

This question tests your knowledge of Regulatory Signs in Texas. Source: Texas Driver Manual, "Table 19: Regulatory and Warning Signs," p.31..

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