Driver's License Test Prep
Illinois Practice Passing

The vehicle ahead of you on a two-lane road is about to turn left. Under what condition does the manual let you pass on the right?

  1. A.
    Only if you first move onto the shoulder to clear the turning vehicle
  2. B.
    Only if the driver ahead flashes their turn signal twice
  3. C.
    When you have enough room to pass safely on the pavement Correct
  4. D.
    Never, because passing on the right is always prohibited
The Why

The answer is "When you have enough room to pass safely on the pavement"

On a two-lane roadway you may pass on the right when there is room on the pavement and the vehicle ahead is turning left. Drivers who pick 'never' are pulling in the 'keep right except to pass' habit and extending it past what the passing section actually says.

Why the others miss

The traps in the wrong answers

A. Only if you first move onto the shoulder to clear the turning vehicle

The shoulder is not a passing lane except for authorized vehicles; the maneuver must stay on the pavement. This answer confuses the pass-on-the-right exception with the pull-right rule used for emergency vehicles.

B. Only if the driver ahead flashes their turn signal twice

The manual does not tie the maneuver to any signal count from the turning driver. This answer treats a flashed signal as authorization from the driver ahead, which the passing section explicitly forbids.

D. Never, because passing on the right is always prohibited

Overstates the rule; the manual names left-turn situations as a case where a right-side pass is allowed. This answer reads the keep-right-except-to-pass habit as banning every right-side pass, missing the exception.

The Rule

This question tests your knowledge of Passing in Illinois. Source: Illinois Rules of the Road, "Passing," p.28..

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