2024-05-07 P & Z Packet - Laserfiche WebLink

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LaLonde Development Traffic Study May 1, 2024 Page 12 b.The corresponding westbound queues under Phase 1 build conditions are expected to regularly extend beyond Progress Road; these queuing are primarily related to the increase in general background growth (i.e., other area growth), as opposed to the proposed development, as other movements are minimally impacted by the proposed development. c.Under year 2027 Phase 2 build conditions, delays and queues are expected to increase as compared to the year 2027 Phase 1 build conditions. d.Regardless of the proposed development phase, the overall intersections will operate within acceptable industry standards from a level of service perspective, although westbound queuing is a potential issue. Therefore, further discussion with area agencies should occur regarding the willingness to accept the delays and queues noted for the relatively short period of time or consider implementing potential mitigation to improve operations within the study area. 5)Potential mitigation alternatives for the Main Street (CR 14) and Centerville Road (CR 21) intersection, include: a.Alternative A: Westbound Right-Turn Lane - reduces the westbound queuing along Main Street, but queues will continue to extend beyond Progress Road and impact access. b.Alternative B: Traffic Signal - improves operations and reduces westbound queues during the peak 15-minute period, which helps improve operations at Progress Road by creating additional gaps in the Main Street (CR 14) traffic flow; existing intersection volumes are near meeting signal warrant thresholds. c.Alternative C: Mini-Roundabout - provides the best overall operations and limits queues from extending to Progress Road. 6)Other factors such as impacts to on-street parking, right-of-way, pedestrian connectivity / crossings, vehicle speeds, gateway / landscaping treatments, and construction costs should be considered. 7)Regardless of the proposed development, improvements at the Main Street (CR 14) and Centerville Road (CR 21) intersection will likely be needed within the next 3- to 5-years; the addition of the proposed development, depending on the development phase, has the potential to move the potential need timeline sooner (i.e., particularly Phase 2). 8)A review of the proposed site plan identified the following considerations: a.Locate signage and landscaping to avoid creating any sight distance issues. b.Review truck maneuverability to limit potential internal circulation conflicts. c.Install a cul-de-sac at the intersection between Centerville Road and Westview Street to help facilitate winter maintenance and relocate the multiuse trail outside of the cul-de-sac / roadway to reduce potential conflicts. d.If / when Phase 2 is developed, align the parking lot access to Centerville Road directly across from the Centerville Elementary School access. e.Depending on the potential mitigation, consider changing the Progress Road / Centerville Elementary School Access to right-in / right-out or three-quarter access to improve safety.