 State police have identified a woman hit and killed on northbound I-495 Sunday night. 38-year-old Angel Alston of Elkton was trying to cross the highway on foot from the median when she was hit in the left lane. Troopers said Alston's car was parked on the right shoulder with its flashers on about a quarter mile north of where the accident happened. Police told WDEL News Alston's car was out of gas.