A motorcyclist died Tuesday after he crashed into a New Jersey State Police trooper’s car in Burlington County, investigators said. The unidentified trooper was on duty “conducting routine patrol duties” on State Route 70 in Southampton Township when he was involved in the crash near Burrs Mill Road, the New Jersey Attorney General’s Office said in a statement. No other information about the crash was released by the office. The motorcyclist, who was identified only as a man, was taken to Virtua Mount Holly Hospital where he was pronounced dead at approximately 12:45 p.m., the office said. The…