Pennsylvania Class C Permit Practice Test
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On a two-lane road, a work truck is parked on the right shoulder ahead. It carries this electronic board: a flashing horizontal bar of lights with no arrowhead. What should you do?
A approaches a silver work pickup parked beyond the right edge line on a two-lane road. The truck carries a board with seven amber lamps in a horizontal bar and no arrowhead; an enlarged detail shows the lit phase.
Correct answer: Stay in your lane, slow down, and watch for workers and equipment near the truck.
Why
When an arrow board shows a flashing arrow, a lane is closed ahead, so begin your merge well before the board. Pennsylvania law (75 Pa.C.S. 3326) requires you to yield to work vehicles and workers in a marked work area. In any posted work zone, turn on your headlights.
Verified against Pennsylvania Driver's Manual · Work Zone Signs · p. 23
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