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Signal Re-timing Project

Lee County Signal Re-timing Project

The Lee County Department of Transportation has completed the retiming of traffic signals for 36 intersections on U.S. 41, 8 intersections on Palm Beach Boulevard (S.R. 80), 4 intersections on Dr. Martin Luther King, Jr. Boulevard (S.R. 82), and 6 intersections on Fowler/Evans Streets. The Lee County Signal Re-timing Project began in the of Spring 2008. The purpose of this project was to evaluate existing traffic operations and make needed adjustments to best optimize the flow of traffic. The evaluation included traffic counts, system assessment, timing analysis, plans development, and field implementatation of new timings. The project was completed in phases to permit the collection of data during the peak traffic season, and implementation of new timings within the appropriate traffic periods. Funding in the amount of $357,400 for this project was provided by the state and is administered through the Florida Department of Transportation for use on state facilities. 

Although travel delay at an intersection can only be reduced by seconds, the cumulative effect on all vehicles adds up to significant savings for motorists in time, fuel saved and reduced automobile emissions. For example the retiming of signals on U.S. 41 from Victoria Avenue south to Alico Road reduced travel time by over four minutes for a single vehicle.

Comparing actual “before” and “after” travel time runs, the overall cumulative annual project benefits in improved travel time, reduced fuel consumption, and reductions in automobile emissions (carbon-monoxide and nitrogen oxides) from retiming the 50 intersections are:

• 23% reduction in travel delay = $15,300,000 annually (value of time saved)

• 5600 gallons of fuel saved per day = $2,000,000 per year

• 19% less emissions = $124,000 annual benefit

• Total estimated annual value of savings is over $17,000,000

For a list of the intersections click here.

For a more detailed information about the reduction in travel time and other savings made please view the project results page. Traffic counts, travel time data, project reports, and other pertinent data are available on the technical information page.


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