The Maryland Department of Transportation's State Highway Administration (SHA) continues storm operations through Maryland Tuesday night.
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More than 1,600 state and contract trucks continue to treat roads and remove debris from highways.
"As temperatures drop later tonight even treated roads may be icy and slippery, so travelers should remain alert and reduce speeds,” said SHA Administrator Greg Slater. “While our crews will remain out tonight, the best advice is to get to your destination and stay.”
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Frozen precipitation has caused power outages affecting traffic signals in many areas. Drivers are reminded to treat dark signals as a four way stop.
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Officials believe Wednesday's morning commute should be relatively routine, but driver should allow for extra time.