Discription of Events: Almost caused a collision with my vehicle on Rt 93 in front of the former Nathan's store, by using excessive speed and passing me on the right. The berm ended with a barrier, causing him to swerve in front of me causing me to slam on my brakes. Speeding through stop signs on Pecora Blvd and Community Park Road. Also passing another vehicle on the right on Community Park Road at an excessive rate of speed.