Installing Permanent Traffic Counters
Warm Springs Reservation
2004
Typical Permanent Site
Cost $28,000 for 4 sites with software included.
Constructed by tribal construction department with aid of electrician to set meter base and connect to local power grid.
Permanent Site After Overlay
Workzone Traffic Control
• Note flaggers and traffic cones diverting traffic from work area.
Traffic Control Sign
• Note warning sign placed 500 feet before flaggers and work zone for traffic counter installation.
Worker cutting groove
• Worker cutting groove with small portable saw.
Cleaning Groove
• Worker (left) cleaning cut groove with compressed air.• Worker (right) feeding loop wire into cleaned groove.
Forming Wire Loop
• Worker feeding wire into cut groove to form detection loop for counter. Needed to match wire size and groove width.
• Four loops needed to detect speed, direction and length of vehicles.
Feeding Wire in Loop
• Worker on right feeding loop wire into cut groove.
• Worker on left filling groove with joint compound.
Cutting Grove and Filling Loop
• Larger Diamond Edge saw cutting groove for loop installation (foreground)
• Filling groove with joint compound (middle ground)
• Flagging traffic (background)
Sealing Loop with Joint Compound
• Worker sealing corner of loop with joint compound.
• Note angled corner of loop groove to ease bending of wire to loop shape.
Worker sealing loop
Note angled corners of 6 foot square loop and larger pavement saw.
Sealing of Loops
• Workers sealing of loops with joint compound to prevent traffic damage and keep water out of pavement.
• Lots of pictures of sealing loops…..much time involved in this step.
Shoulder Trench
• Note shoulder trench for leads from the 4 detection loops.
• 8 leads from the 4 loops buried from the shoulder to the traffic counter cabinet.
Connecting Loops to Cabinet
• Worker installing leads from 4 loops up to bottom of traffic counter cabinet.
• Note cabinet installed too high above ground for this installation.
Traffic Counter Cabinet
• Permanent traffic counter cabinet.
• Note 110 volt meter base and circuit breaker on back of pole.
Inside of Cabinet
• Note Wiring diagram on lid, circuit breaker, power supply, loop lead in wires, and traffic counter.
Inside of traffic counter
• Note inside of traffic counter. 16 key pad entry interface, led display, on/off switch
LED interface
• LED interface for counter. Display shown is typical for downloading information to datahog device.
Wiring Connections for Counter
• Wiring connections to permanent counter. Connections from left to right, power input, download cable, loop connector and datahog download device.
End of Presentation
Thank You