Development of CMS Monitoring Procedures
Louisiana Transportation Research Center, 1998 - Geographic information systems - 87 pages
This report describes a set of congestion management system (CMS) monitoring procedures known as Travel Time with Global Positioning System (TTG). TTG allows users to efficiently process and store GPS travel time data. The report also includes an updated methodology for estimating required samples sizes and a new methodology to measure delay it signalized intersections.
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07FLBDE Acadian Thruway Access Airline Highway algorithm approach delay Arterial average acceleration average speed Baton Rouge Baton Rouge Capital CMS project confidence level control delay data ﬁle data reduction dBase deceleration and acceleration differential correction distance-time diagram dynamic segmentation ending mileposts equation error ﬁgure ﬁom Florida Blvd Florida Boulevard EB GIS packages GPS data file GPS equipment GPS file GPS Player GPS point file GPS records GPS_DATA GPSSpeed harmonic mean Highway Capacity Manual highway network linear features linearly referenced GPS link/segment speeds LinkCode methodology milepost associated mph/s October 19 ODBC offset Open Database Connectivity point geographic file positional accuracy probe vehicle procedure referenced GPS data relational database result route RouteCode sample segment speeds segment travel shown in figure signalized intersection speed and travel speed data stopped delay table GPS DATA TransCAD travel time data travel time runs travel time studies U.S. Census Bureau