City of Port St. Lucie header
File #: 2021-283    Version: 1 Name:
Type: New Business Status: Filed
File created: 3/24/2021 In control: Special City Council
On agenda: 5/17/2021 Final action: 5/17/2021
Title: Discuss the Results of the Crosstown Noise Monitoring Evaluation
Attachments: 1. Crosstown Parkway Noise Monitoring Technical Memorandum 2020-11-05, 2. Crosstown Parkway 24-Hour Noise Study Presentation V10, 3. Location Map
Placement: New Business
Action Requested: Discussion
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Discuss the Results of the Crosstown Noise Monitoring Evaluation
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Submitted By: Heath Stocton P.E., Public Works Assistant Director

Strategic Plan Link: The City's Goal of high-quality infrastructure and facilities.

Executive Summary (General Business): KCI Technologies, Inc. was hired to conduct a noise evaluation for the entire Crosstown Parkway corridor based upon resident complaints regarding noise generated by Crosstown Parkway traffic. As the evaluation progressed, staff was directed to include a 24-hour study within the area of the highest concentration of complaints which was near Crosstown/Floresta Superstreet intersection.

Presentation Information: Heath Stocton will introduce Andy Smith with KCI Technologies, Inc. who will provide a 30-minute presentation.

Staff Recommendation: Request that the Council hear the presented information and provide concurrence with recommended course of action or provide staff direction.

Background: The Crosstown Bridge opened to traffic on September 28, 2019. Soon after the opening of the newly constructed portion of the Crosstown Parkway, complaints of traffic noise were received. Staff inspected the berm and landscaping and developed plans to enhance the landscaping along the berms to mitigate the noise on both sides of Crosstown Parkway, as well as to augment areas of sparse landscaping on previously constructed portions of Crosstown Parkway. All the proposed berm and landscaping improvements were in place prior to the first round of noise data collection. City Council directed staff by consensus to also conduct a noise evaluation of the entire corridor while ensuring that homes that lodged a complaint were specifically evaluated.

Issues/Analysis: The first step in the evaluation process was to monitor AM/PM peak hour post-construction noise levels to see how they compare to modeled (predicted) pre-construction noise levels. Traffic counts d...

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