In Monroe County, state police closed Interstates 80 and 380 during the afternoon of the 14th because of bad road conditions. Interstate 80 was closed between Interstates 81 and 380. The combination of a heavy snowfall then a mix of sleet, snow and freezing rain made for hazardous road conditions. The mixed precipitation made it more difficult for some road crews to keep up. At 4 PM EST on the 17th the interstates reopened after ice was removed and the road surfaces was safe for travel. In and around the Greater Philadelphia Metropolitan area, in Bucks County, slippery road conditions contributed to a tractor-trailer accident on the 14th on Route 309 in Richland Township. The highway was closed for more than an hour, which forced motorists to detour on slush-covered side streets.