在道路网络上对交通车辆进行路径规划以在出行需求建模的特殊情况下进行规划.pdf

1、Routing Transit Vehicles on Roadway Networks for the Special Case of Travel Demand ModelingDavid OryInnovations in Travel Analysis and Planning ConferenceJune 6,2023OutlineProblems big and smallRequirementsProposed solutionCall to action2Problems34ProblemsExisting tools for routing transit vehicles

2、on roadway networks fail to meet the needs of travel model owners.There are many solutions to this problem,but(a)our academics have failed to provide guidance as to the pros and cons of each and(b)model owners have not rallied around an open-source solution.In order to represent the impact of future

3、 year roadway congestion on bus service,transit vehicles must be routed on roadway networks.Requirements56RequirementsStop locations need to be accurate,as they determine the spatial patterns of transit access and transfers.1Paths between stops need to align with the travel model roadway network,suc

4、h that automobile congestion can impact bus speeds(and vice versa).Paths between stops need not be perfectly accurate,as(a)minor deviations from the actual route will have a minor impact on outcomes and(b)model roadway networks are often coarse,i.e.,they do not include all roads.Paths between stops

5、need to be plausible,as loops or other additions even if largely cosmetic will call into question the models capabilities.234Proposed Solution7Open Source Options8Network Modeling Center,University of Texashttps:/ WSPs Ranchhttps:/ MATSims PT2MATSimhttps:/ States GTFS2GMNShttps:/ Source Options9Netw

6、ork Modeling Center,University of Texashttps:/ WSPs Ranchhttps:/ MATSims PT2MATSimhttps:/ States GTFS2GMNShttps:/ each route pattern separately,i.e.,GTFS route by time of day by direction by pattern.Algorithm112Try to conflate GTFS shape(if present)to roadway network.If success,S