PHILADELPHIA - A woman is dead after police say a crash in Mayfair became fatal Sunday night.The 21-year-old woman was driving a silver Honda when she crashed into a traffic light pole on Levick and Hawthorne streets around 9:09 p.m.Police say she was pronounced dead on the scene by medics at 9:22 p.m.Another person, a 20-year-old woman, was also in the car at the time of the crash, according to police.