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Montana Class D Knowledge Test Practice
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Passing target: 80% (24/30)
Traffic Signals & Road MarkingsStandalone practice
You are driving on a street with signals mounted over each lane. The signal above your lane changes from a green downward arrow to a steady yellow X. What should you do?
Correct answer: Move out of that lane as soon as you can do so safely.
Why
Lane-use signals are common on reversible lanes, which carry traffic one way at some times and the other way at other times. A green downward arrow means you may drive in the lane, and a steady red X means you may not. Reversible lanes are usually marked with double broken yellow lines, so check the signals before you enter them.
Verified against Montana Driver Manual English · Other lane controls · p. 45
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