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You see this flashing yellow "X" above your lane. What does it mean?


Lane use control signals are special overhead signals indicating which lanes of a roadway may be used in different directions at various times. These signals are commonly used to control traffic flow in reversible lanes or at toll plazas. They can also be used to close certain lanes because of accidents or road construction. In Montana, a flashing yellow "X" means that you may only use this lane for turning. Use caution because this lane may also be used by oncoming vehicles to make turns. [Other Lane Controls, Pavement Markings, Chapter 3 – Signs, Signals, & Markings, Montana Driver License Manual]