caught by the power lines. >> reporter: outages hit nearly a quarter of a million customers across the commonwealth. troopers urge residents to stay off the roads. >> not much traffic out here. if you are home, stay there. if you have to go out, take it slow. >> reporter: tractor trailers jackknife on multiple interstates. on the mass pike, the speed limit reduced to just 20 miles per hour. >> that is a truck that has flipped onto its side, right on the pike. obviously, a scary situation out here and a testament to just how slippery the roads are. >> reporter: air travel not any easier. boston's airport, a ghost town. about 75% of flights canceled. crews use fire to keep commuter rail switches from freezing. and plow trains to keep the tracks clear. >> so, let's get to adrienne, she's live tonight in a very windy and wet marshfield, massachusetts. we're really thinking about the people of new england tonight, because we know officials have told you, it could be once again several days before the power comes back.