Preventative Maintenance

PA PERCS Preventative Maintenance program has been designed to meet or exceed the requirements of the PA Dept. of Trans. guidelines for traffic signal maintenance. (Pub #191). Preventative Maintenance programs are tailored to your specific needs to include:


  • Cleaning and relamping
  • Conflict monitor / MMU testing
  • Permit compliance verification
  • Timing and coordination program verification and testing
  • Signal alignment and night time visibility testing
  • Inspection of signal poles, hardware and appurtenances.

Products & Services

  • Lighted Crosswalk Warning Systems
  • School Signal Maintenance & Repair
  • Time Clocks
  • Bucket Truck with Operator Rental
  • Commercial & Residential Outdoor Lighting
  • Vehicle Detection Repair
  • Electrical Service Installation

  • Traffic Signal Maintenance
  • New Traffic Signal Installation
  • Specialty Pavement Marking
  • Parking Lot Lights-Replacement &
  • Maintenance
  • Traffic Control
  • Thermoplastic Pavement Markings
  • LED Retrofitting for Traffic Signals
  • Certified Computerized Conflict Monitor
  • Testing
  • ADA Certified Pedestrian Crossing
  • Emergency Vehicle Pre-emption Installations
  • Arrowboard Rental
  • Battery Backup Systems