We now know the identity of the teen killed in a Friday morning crash in Wampum. It happened along Route 18 where troopers say 18-year-old Savannah Smith pulled onto the highway from Route 288 and drove into the path of a tractor-trailer. Smith was pronounced dead at the scene while the driver of the big rig, 41-year-old Chad Tirko, was taken to U-P-M-C Jameson in New Castle for treatment.