CHICAGO - Heavy rains and a deadly crash closed most lanes of a busy interstate in the Philadelphia area as a storm that killed 11 other people as it moved from the west, arrived in the eastern half of the United States.
Forecasters say holiday travel plans could be disrupted today thanks to the storms packing snow, ice, sleet and rain.
In western Pennsylvania, forecasters say 9.5 inches of snow has been reported in Mercer County and 7 inches in Lawrence County.
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The storm is expected to strike from the Carolinas to the Northeast, with ice and snow a possibility in the Appalachians, western Pennsylvania and western New York.
AAA says more than 43 million people are to travel over the long holiday weekend.
Transportation officials advised travelers to check with their airlines and reduce speed on highways.
At Lindbergh Field, 400,000 people are expected to travel through the week. But this year is expected to be smoother because of a number of changes including expedited security lines.