Traffic Signal Components - General Costs:
| Element | Unit Prices * (Source: USDOT RITA ITS) |
|---|---|
| Mast arms (per assembly, excludes foundation) | $6,000 to $9,000/each (up to 20k) |
| New controller Assembly | $9,000/each |
| 3-section, 12-inch LED signal head | $800/each |
| 5-section, 12-inch LED signal head | $1,300/each |
| LED pedestrian signal head | $600/each |
| LED replacement bulb | $150 |
| Pedestrian pushbutton | $250/each |
| Loop detector | $1,200 to $1,800/each |
| Video detector | $4,000/approach, $16,000 intersection |
| Junction box | $1,000/each |
| Emergency vehicle preemption (EVP) | $3,000/approach, $10,000/intersection |
| Signs, misc. | $35/square foot |
| Uninterruptible power supply (UPS), i.e., battery backup for LED signals | $3,000 to $6,000/intersection |
| External generator panel (hook-up to accommodate a small generator) | $500 |
| Traffic Signal Retiming and Analysis (recommended every 3 to 5 years for every traffic signal) |
$1,000 to $8,000/intersection |
Engineer's Estimate of Service Life for each Traffic Signal Component:
| Component or Material | Average Life (years) |
|---|---|
| Tubular Steel Mast Arms | 25 |
| Steel Pole and Span Wire | 23 |
| Loop Detector | 9 |
| Non-invasive Detector | 10 |
| Traffic Controller | 14 |
| Controller Cabinet | 18 |
| Twisted Copper Interconnect cable | 18 |
| Fiber optic Cable | 24 |
| Incandescent Lamps | 1-2 |
| LED Lamps | 7 |
| Signal Heads | 19 |
| Signs | 11 |
| Thermoplastic pavement markings | 4 |
