By Jean Marbella, The Baltimore Sun Baltimore Sun

6:14 p.m. AKST, February 22, 2013

The National Weather Service issued a winter weather advisory in the Baltimore area until 6 a.m. Saturday, saying freezing rain and a trace accumulation of ice could pose travel hazards.

With overnight temperatures in the lower 30s, sidewalks and untreated roads, especially bridges and overpasses, may prove slippery, the weather service said. Drivers were encouraged to exercise caution on the road.

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