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ORcycle is a new smartphone application (for both Android and iOS) developed by Transportation, Technology, and People (TTP) lab researchers at Portland State University as part of an Oregon Department of Transportation (ODOT) research project. ORcycle collects user, route, infrastructure, crash, and safety data. ORcycle was successfully launched in early November 2014 and presents many improvements over existing or similar apps. Initial data findings and insights will be presented. Lessons learned as well as opportunities and challenges associated with smartphone data collection methods will be discussed. More information about the app can be found here: http://www.pdx.edu/transportation-lab/orcycleRead more
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Classic highway traffic flow theory can explain the evolution of signals and waves once they form. Given sufficient boundary conditions the theory captures the evolution of the traffic state over space and time. But one rarely finds such ideal boundaries on real highways. Often disturbances arise within a region that classic theory would tell us should be homogeneous. These disturbances often grow and give rise to unstable traffic upstream, e.g., resulting in stop-and-go conditions during congestion with an increased frequency of accidents. This talk will examine one potential source of these disturbances, namely the fact that after a lane change maneuver drivers accommodate an entering vehicle quicker than a departing vehicle (mandatory accommodation versus discretionary accommodation). After illustrating this imbalance on two facilities, the talk will explain how it can give rise to lasting disturbances.
Dr. Coifman is an associate professor at the Ohio State University with a joint appointment in the department of Civil and Environmental Engineering and Geodetic Science and the Department of Electrical Engineering. His research emphasizes extracting more information about traffic flow both from conventional vehicle detectors and emerging sensor technologies. His work has been recognized by the ITS America Award for The Best ITS Research and an NSF CAREER award. Dr. Coifman...Read more
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The LCN+ Project Management team are responsible for improving conditions for cycling on a 900-kilometre network of London’s key commuter roads, in line with the Mayor of London’s Cycling Action Plan.
With the initial target of achieving a 200% increase in the number of cyclists in London already surpassed, the project aims to build on this by continuing to advise the 33 London boroughs on how to improve cycling infrastructure on their roads. By effectively liasing with major stakeholders such as local cycling groups, Borough Cycling Officers and Transport for London, the project can ensure that all will have agreed on the solutions reached.
Steve Cardno: Steve is the Project Manager for the London Cycle Network Plus (LCN+) project, with responsibility for the overall project management of this London wide cycling project. The LCN+ project aims to deliver 900km of high quality strategic cycle routes across London by the end of 2009/10. The project is funded by Transport for London (TfL), project managed by Camden Consultancy Services and delivered in partnership with TfL, CCS, the 33 London Boroughs and...Read more