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    New York New York Document Transcript

    • March   11Transportation for the NationCase Study – New York:Multi-purpose Centerline Outlook and Involvement from the State GIS Officein New YorkTFTN Strategic Plan Case Study
    • OverviewIn the late 1990s, New York State launched a statewide baseline mappingprogram utilizing GIS. Until this point, the New York DOT/DMV maintained theirroad data in both paper maps and legacy CAD systems. These systemsneeded to be upgraded to conform to the new state standard which at thetime adhered to a limited set of standards but was focused mainly on Federalregulations from such program as the Federal Highway Administration’sHighway Performance Monitoring System (HPMS).Project BackgroundIn 2001, the state awarded a contract to ESRI and TomTom to build the streetmap, with the agreement that whatever was built, the state would own. Theprogram initially collected over 2.1 million address points to be used in thegeocoding process for multiple streets and address locations, and in 2005,TomTom completed the compilation of 135,000 public and private roads, andlocations where high concentrations of accidents occurred. In 2008, theTomTom contract ended, a new RFP was issued, and the contract wasawarded to NAVTEQ to continue updating and maintaining the state data.New York State Street Data, which is now open and freely available to thepublic, allows the counties to interact with the state and assist in updating andmodifying the street data. The data are continued to be shared among othercommercial entities such as power and utility services as well as contributedback to the HPMS program.Lessons Learned and ChallengesA Web portal, where counties can upload and download data, wasdeveloped and supported by NYDOT. All data from the portal is put into astandardized data model and then contributed back and merged with theNAVTEQ commercial product. The data are included in the NAVTEQ quarterly,and mid-quarter updates, and because of the tremendous efforts from NYS,there have been an estimated 10,000 validated edits to date. Additionally,NAVTEQ provides the National Geospatial Intelligence Agency (NGA) withthese updates to enhance the Homeland Security Infrastructure Protection(HSIP) data set for more precise domestic infrastructure protection.To alleviate any unforeseen licensing issues related to releasing the data in tothe public domain, New York State decided to develop a new linearreferencing system and road classification schema. Once this is complete, itwill become the base road centerline layer for the entire state. These data will
    • be made available to the public, with the exception of routing information,but will include primary streets, alternate streets, and route numbers.ConclusionsWith a single street centerline layer, other agencies will be able to consumethis data, and in turn, multiple applications can be supported, as well assupporting county and local government GIS/Transportation initiatives.In order to reduce the cost of the data gathering process, the NYS agreementwith NAVTEQ allowed NAVTEQ to use the data collected in their commercialproduct. By presenting this as a private/public partnership, the overall cost ofthe data collection and cleaning process was reduced.Sources: Cheryl Benjamin—Office of Cyber Security and Critical InfrastructureCoordination