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Maryland Class C Knowledge Test Practice
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Traffic Signals & Road MarkingsStandalone practice
An overhead lane-use signal displays a red X directly above a lane. What does it mean for your direction of travel?

Correct answer: Do not drive in that lane.
Why
Never drive in a lane under a red X lane-use signal. A green arrow permits travel in the lane it controls, subject to ordinary safe driving. Reversible-lane use can change with time and traffic, so use the current signals rather than yesterday’s lane direction.
Verified against Maryland Driver’s Manual and current Transportation Article · An overhead red X · p. 18
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