Rain "flash-freezing" on roads and sidewalks left an icy glaze under feet and tires across much of the northeast on Sunday, causing crashes that claimed at least four lives. A crash involving 30 to 50 vehicles on Interstate 76 outside Philadelphia killed one person, and two others died in a crash involving multiple vehicles on nearby Interstate 476, police said. In Connecticut, police cited slippery conditions in a crash that killed an 88-year-old woman who struck a utility pole in New Haven. Read more http://www.chicagotribune.com/news/...delphia-interstate-pileup-20150118-story.html