Transportation Electrical Contractor Services

Traffic Signal Installation – Highway, Roadway, Light Rail & Airport Lighting

Pfeiffer and Son

Serving Municipalities, TxDOT and Private Developers in the Greater Houston Area



Since 1962


Pfeiffer & Son is a leading electrical contractor capable of providing for all aspects of Transportation infrastructure.  We can provide Traffic Signal Installation, Highway Signage, Railway Signaling and Lighting.  Our customers include municipalities, major developers, state and local governments.  Since 1962, we have done thousands of such installations as a subcontractor and as a general contractor.

We have the specialized equipment on-hand and experienced certified electricians to do whatever the job demands, promptly and skillfully.

Transportation Certifications

  • Transportation Worker (TWIC)
  • TxDOT Certified Contractor

Traffic Signal Work Certifications

  • IMSA Work Zone (International Municipal Signal Association)
  • IMSA Level I Signal Technician
  • IMSA Level II Signal Technician (Field and Bench)
  • TEEX “Traffic Control Systems Troubleshooting and Maintenance” Certified
  • Iteris Vantage Advantage Detection Training

If you need an electrical contractor specializing in Traffic Signal Installations or Highway, Rail or Airport Lighting, call Pfeiffer & Son at (281) 471-4222 or email us.

  • Traffic Signal Installations
  • Highway, Roadway, Light Rail & Airport Lighting

Pfeiffer & Son has constructed, rebuilt, repaired and/or upgraded thousands of signalized intersections for highways, roadways, light rail and airports.

Our Traffic Signal Installation Services include the following:

  • ITS Systems including Ancillary Communications, Control Equipment and Display Hardware
  • Stand Alone Traffic Signal Installation
  • Integrated Signal Installation
  • Existing Signal Retrofit and Upgrades
  • Advance Flasher Installation
  • Corridor Optimization
  • Video Image Vehicle Detection Systems (VIVDS)
  • Vehicle Loop Detection
  • Priority and Preemption Systems
  • Virtual Loop Detection (GPS Based)
  • Microwave or Radar Vehicle Detection
  • Lane Control Signals
  • Wireless CDMA Modems
  • Radar Speed Signs
  • Intersection Uninterruptable Power Supply (UPS) Systems
  • Lighted Pavement Marker Systems
  • Digital Messaging Sign Systems
  • High Mast Lighting
  • Retractable Delineators
  • Red light Enforcement Systems
  • Overhead Sign Structures and Highway Signage
  • Wheelchair Ramps
  • Left Turn Lanes
  • Bus Shelters
  • HOV Systems
  • Light Rail Systems
  • Fiber Optic Interconnectivity and Integration
  • Signage Installation
  • Solar Power Systems
  • Pull Box Relocations

Traffic Signal Maintenance & Services

Pfeiffer & Son currently provides preventative, maintenance, troubleshooting and repair services for over a hundred of Houston’s major intersections.

  • Maintenance and Preventative Programs
  • Emergency Traffic Signal Repairs
  • Traffic Signal Knock Down Repairs
  • Light Rail Traffic Signal Repair and Maintenance
  • Emergency Repairs to Damage Caused by Storms and Hurricanes
Highway, Roadway, Light Rail & Airport Lighting

Our complete solution for highways, roadway, light rail and airport lighting includes the building and installation of illuminated bus shelters, signage, bollards, beacons and parking lots, as well as the following:

  • Lighting Installation
  • Lighting Maintenance
  • Lighting Retrofit and Upgrade
  • Emergency Lighting Repair and Replacement
  • Pavement Vehicle Loop Sawing and Installation
  • Trenching
  • Directional Conduit Boring