Question Flashing arrow panels used in work zones: Answers Indicate where drivers must pull onto the shoulder of the road and stop. Guide drivers into certain traffic lanes and inform them that part of the upcoming roadway is closed. Are only used on the Interstate Highway System. Explanation Large flashing arrow panels may be used in work zones to guide drivers into certain traffic lanes and to inform them that part of the upcoming roadway is closed. Drivers should follow all provided instructions in a work zone. Pass your DMV Written Test with flying colors Take me to the cheat sheet Nebraska This questions appears in the following tests: Nebraska Practice Test 15 Nebraska Practice Test 25