可路由多分辨率多模网络共享规范.pdf

1、GMNS*:A Specification for Sharing Routable Multi-Resolution and Multi-Modal NetworksIan Berg and Scott Smith,U.S.DOT Volpe CenterJune 5,2023*General Modeling Network SpecificationConference on Innovations in Travel Analysis and Planning2Origins Recognized need in the travel modeling community Zephyr

2、 Foundation 2017“shark tank”Winner:to develop a“General Travel Network Format Specification”FHWA interest in developing a routable network specification that would aid in multi-resolution and multi-modal network modeling Efforts came together in 2018 Zephyr Foundation provided a project management g

3、roup,interested stakeholders(MPO and industry)volunteering their time to provide guidance and some development support FHWA funding for staff support(Office of Planning)Conference on Innovations in Travel Analysis and Planning3GMNS Supports multi-resolution modeling projects Encourages more consiste

4、nt practices by state and local governments for coding facilities,to ease automated processing of public data Supports multimodal(car,truck,transit,pedestrian,bike)improvements Brings time-varying varying networks into transportation planning,to better incorporate the effects of transportation syste

5、m management and operations(e.g.,varying lane configurations and tolls)Conference on Innovations in Travel Analysis and Planning4High-Level Requirements GMNS is a data specification,not tied to any specific software tool GMNS is extensible,not universal The only required files are nodes and links,to

6、 support static network assignment Extensions include data needed for dynamic,multi-modal networks GMNS reflects infrastructure,services and policies:physical roads,intersections,traffic controls,tolls,time-of-day GMNS is human and machine readableConference on Innovations in Travel Analysis and Pla