At 8:23pm Shrewsbury Volunteers were dispatched to Interstate 83 at Exit 4 for a two vehicle accident. Duty Officer 61 (Chief Myers) arrived and established Shrewsbury Command. Two vehicles were damaged and blocking I83. There are no reported injuries. Rescue 61 and Engine 61-2 arrived and established a safe working zone and then assisted in recovering debris from the roadway. One lane of traffic was blocked during the incident. All units cleared at 9:10pm. Pennsylvania State Police investigated.