AgdaPkt 2017-09-11 Closed and Joint SA PFA

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7.A. - Page 197 Traffic Analysis Review of Proposed Rocketship Charter School, Redwood City, CA M M M M M M M M M M % The site plan (shown to the left) has an internal road that is only 150 feet maximum of storage on site. The 0 i average vehicle is 15 feet long, and spacing between vehicles in a queue varies but is about half the distance, or 8 feet. This will hold only about 7 of the 250 incoming vehicles while three other vehicles unload students. This slow process takes time, and students are only allowed to exit their vehicle at the designated drop off zone, handling about 3 or 4 cars max at a time. Assuming a reasonable drop off time of at least 30 seconds to pull up and get the kid(s) out of the car, this means that 4 cars can be processed ideally per 30 seconds, or 8 vehicles per minute. Since there are 250 vehicles and assuming nobody creates any delays, this means it will take about 30 minutes to clear this queue and allow Charter Street to function again. The red cars in the illustration above represent cars stopped on and blocking Charter Street during the arrival time of the school traffic. Driveways will be blocked, and there will literally be a gridlock of Charter Street during this time. Spring Street will also experience these same problems,as the queue will extend to this street as well. Ideally, a school should be providing on-site storage of this arrival queue. It is understood that there is not enough room on the site to do this, but there is also not enough room offsite either to reasonably do this, without creating a grid lock of business driveway traffic and negatively impacting all surrounding businesses in the vicinity at an LOS F condition, which is unacceptable. If the charter school is having classes all start at the same time, it is conceivable that this traffic queue problem could be far worse than is typical. Since the Rocketship schools are flexible on arrival times' (say they can drop off kids as early as 7 am even though school does not start until 8 am). This means that it is actually possible for the worst condition to take place, since it can be random. The Hexagon traffic study did not address this queue problem that will certainly exist, but only talked about loss of parking. It also suggested that parents desiring to park during drop off times would need to park on Charter Street, but this is not even possible with the already saturated parking, further exacerbated by their own recommendation that some parking even be removed. That study apparently did not inspect the real-world parking and driveway conditions extant today on Charter Street, which are significant. 3 See DROP OFF on page 8 of Rocketship School's Student Family Handbook found at: http://www.rsed.org/documents/RNNEStudentFamilyHandbook pdf �PRISM�' Page 7