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Building GIS Master Data to Support Next-Gen 911. Karen G. Mitchell GIS Specialist, NJ Office of GIS. 9-1-1 is Changing. NextGen 911. E-911. Graphics from K Liljequist. Soon, Suddenly, Address Data Will REALLY Matter. In order for the ECRF to work, you have to get your LVF in place!

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building gis master data to support next gen 911

Building GIS Master Data to Support Next-Gen 911

Karen G. Mitchell

GIS Specialist, NJ Office of GIS

9 1 1 is changing
9-1-1 is Changing

NextGen 911


Graphics from K Liljequist

soon suddenly address data will really matter
Soon, Suddenly, Address Data Will REALLY Matter
  • In order for the ECRF to work, you have to get your LVF in place!
  • (Translation: in NG9-1-1, for calls to get routed to the right call center, you have to have good locations for every address.)
  • And by the way, as you wade into 911, get ready for the acronym storm.
partial glossary
(Partial!) Glossary
  • MSAG: Master Street Address Guide
  • ALI: Automatic Location Identification
  • LIS: Location Information Server
  • MPC: Mobile Position Center
  • SIF: Spatial Information Function
  • ECRF: Emergency Call Routing Function
  • LVF: Location Validation Function
what gis will need to provide
What GIS Will Need to Provide
  • Accurate address locations
    • Points preferable
    • Ranges on road centerline as fallback
  • State/County/Muni boundaries
  • Service boundaries: PSAP, Fire, Police, EMS, etc.
nextgen in nj big picture
NextGen in NJ: Big Picture
  • OIT’s Office of Emergency Telecommunications Services coordinates both radio communications and 911
  • NG911 implementation requires specialized knowledge
  • RFI issued a couple of years ago, still insufficient understanding to craft plan
  • OETS plans to engage a consultant to lay out road map, craft RFP for implementation
  • Initiative will definitely require support in legislature, but any talk of consolidation gets highly political
  • (Translation: we GIS folks do have some time)
what to start doing now
What To Start Doing Now
  • Learn about how NG911 works
  • Start forging relationships with 911 personnel
  • Build first-cut data sets
  • Enlist 911 personnel in data maintenance
address ranges road centerlines
Address Ranges/Road Centerlines
  • Enhanced DOT centerlines will be foundation
  • Web app for maintenance coming soon
  • Authorized contributors at local level will be important sources
  • Rapid refresh cycle to get changes into users’ hands quickly
address points
Address Points
  • OGIS has draft statewide points based on parcel centroids
  • Pilot project with Essex and Monmouth to explore distributed editing
  • Will likely add point editing to road app
  • Ultimate goal is multiple points per address
  • Standards development at national level
multiple points per address
Multiple Points Per Address
  • Parcel centroid (low-hanging fruit)
  • Building centroid
  • Building entries
  • Driveway entry from road
  • Sub-addresses
    • Outbuildings
    • Apartments, condos, office suites
national efforts roads
National Efforts: Roads
  • NSGIC proposed “Transportation for the Nation,” nationwide aggregation of locally-originated road centerlines
  • USDOT adopted the idea, developed a strategic plan
  • MAP-21 Act signed July 2012, includes requirements, funding mechanism for states to submit comprehensive centerline data
  • NSGIC urging USDOT to include addresses, support for that from (FGDC) National Geospatial Advisory Council
  • Data model not yet defined
national efforts addresses
National Efforts: Addresses
  • Lots of people talking about addresses, don’t yet have a clear direction or momentum
  • Census Bureau working actively to come up with strategy to do addresses outside of Title 13. Not simple.
  • URISA/FGDC standard exists for attributes
  • NENA workgroup developing a standard for spatial data for “structure points”
  • Very active work group in NSGIC

As far as GIS data and maintenance processes to support NG911, we have a good base, a good direction, and a good idea of how to get there, but lots of details still to work out.

Karen Mitchell for

Andy Rowan, Director, NJ Office of GIS

[email protected]