Two teenage passengers were killed in a crash on Route 9 in Freehold Township on Tuesday night, authorities said Wednesday. The boys — a 15-year-old from Allentown and a 17-year-old from Manalapan — were pronounced dead after a southbound car driven by a 17-year-old crashed at 10:38 p.m. on the southbound side in the area of Three Brooks Road, the Monmouth County Prosecutor’s Office said. The teen from Howell driving lost control of the 2004 Chevrolet Malibu while changing lanes and veered off the road to the right, authorities said. He then struck a curb and several concrete billboards before…