Agenda - Planning Commission - 05/04/2017 - Special

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Table 3 — New Trip Generation Intersection Southern site access at Bunker Lake Boulevard Left Turn Lane Street ADT Access ADT 4,400 970 Right Turn Lane Street ADT Access ADT 4,400 970 Center site access onto Puma Street Northern site access onto Puma Street Site access onto Alpine Drive Criteria 4,400 4,400 2,700 4,000 — 4,999 -or- 1,500 — 2,999 920 680 350 > 1,000 -or- > 1,500 4,400 4,400 2,700 920 680 350 > 1,500 > 100 As Table 3 shows, left -turn lanes are not warranted based on the estimated 2040 Build volumes while the right -turn lane warrant is satisfied. Again, these values are based upon a 45 MPH speed limit, which is not present on either Alpine Drive or Puma Street. If the speed along these streets are raised to 45 MPH or higher the Turn -Lane Warrants should be re -assessed. It should be noted that this analysis did not consider modification to Armstrong Boulevard & Bunker Lake Boulevard as the prior Future Business Park Traffic Memorandum completed by Bolton & Menk already defined necessary upgrades for the intersection that would be required for proper traffic flow through the intersection. c. Concept Site Plan & Multi -Modal Review The concept site plan contained in the Appendix was reviewed to determine what changes are recommended, if any, to the proposed Pearson Farm Development. Following are key transportation elements of the concept site plan that should be implemented: i. Car Circulation: The proposed site plan provides sufficient vehicle circulation with four accesses spaced evenly throughout the development. These accesses allow vehicles multiple options for entering and exiting the development which will help spread traffic more evenly throughout the site ii. Bicycle and pedestrian infrastructure: An additional sidewalk/trail should be considered along the southern side of Alpine Drive from the proposed site access to the intersection of Alpine Drive and Puma Street. At this intersection, an additional crosswalk should be considered, connecting pedestrians north to the existing sidewalk/trail along the northern side of Alpine Drive. This new sidewalk/trail connection will provide a safe crossing and clear route for pedestrians and bicyclist to connect to the existing infrastructure. The existing trail along the western side of Puma Street will be lengthened to the southern edge of the development and an additional leg will be brought into the development at the Center Site Access location on Puma Street. This segment will stretch to the internal park to the north. Additional internal sidewalks will also be provided on one side of each street within the development and Traffic Impact Study 8 Pearson Farm Residential Development CONSULTING