pages: TransportationCommission/2021-01-27.pdf, 7
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TransportationCommission | 2021-01-27 | 7 | Ms. Ferguson stated that roundabouts may not perform as well as a traffic signal because of delays. In some situations, they are a good solution, and in others they are not. There are situations that are not as advantageous - like a series of signalized intersections, where roundabouts would decrease the efficiency of signals. Michelle Wan asked about statistics on the Bay farm location that can be shared. Staff Payne provided a link in the Zoom chat: Page 10: https://www.alamedaca.gov/files/assets/public/departments/alameda/transportation/vision- zero/alamedavisionzerocrashreport-update.pdf Commissioner Comments and Discussions for #6B Commissioner Kohlstrand asked about the five high priority intersections and if the Commission will get a comprehensive presentation on these locations and if Island/Mecartney is part of the five. Staff Payne stated that the five have not yet been selected. Staff are doing roundabout education first. The goal is to try to select up to five, and this can be brought up as an agenda item, possibly in May. Island/Mecartney is not part of this study; it is a separate process. Staff Amiri responded that when a development project was done, they set aside funds to address this intersection of Island/Mecartney. To date, staff have only done the evaluation of intersection control types. No decisions have been made, and no community outreach has been done. Traffic volumes do warrant some type of control. Vice Chair Nachtigall asked if the increase in rear-end collisions is due to cars stopping for pedestrians. And, she wondered if there are increases in pedestrian collisions at roundabouts. Ms. Ferguson stated that there have been 15 years of thorough research, but there is not great data on bicycle/pedestrian collisions, since there are so few collisions and the sample size is so small. This topic continues to be an area of study. Staff Amiri added that speed is the biggest factor in the severity of collision. Since roundabouts slow vehicles, it is logical that they would reduce pedestrian fatalities. Chair Soules stated that she appreciated the presentation, and she would like elevated transparency in the process, since this is a novel treatment. Please keep the public and community informed, and provide forums for them to ask questions and provide input. Chair Soules requested to change the agenda to better accommodate schedules to 6D, 6C and then 6A. Commissioner Kohlstrand made a motion and Yuen seconded the motion. Transportation Commission Meeting Minutes - January 27, 2021 7 | TransportationCommission/2021-01-27.pdf |