crowds, at newark airport, a tsa agent hailed a hero tonight jumping over the conveyor belt to save a choking baby. her ten years experience as an emt coming in handy. and linsey, one of the most congested roadways to be on this evening, i-290 west, heading out of the city. a 240% increase in traffic is expected across the country. roadways will be busy. 100 million people driving for the holiday. linsey? safe travels to everyone. alex, thank you. and with so many hitting the road, all eyes are on the weather. let s get straight to abc s chief meteorologist ginger zee. ginger, where can we see the rain and snow impacting the holiday travel? reporter: right, so, christmas eve is probably when people will be on the road and that same burst of snow that made its way and caused accidents in wisconsin, it s coming here overnight. and by tomorrow morning, we stopped the clock there so you can see i-95, 91 going to be slick through connecticut. and then you see that little mix of rain a