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Service Description: Since 2015, the Public Service Communication Board, VITA Integrated Services Program staff, and staffs
from public safety answering points (PSAPs) have been planning and implementing the deployment of
Next Generation 9-1-1 (NG911) for the Commonwealth. Transitioning from the legacy
telecommunication network provides numerous benefits and flexibility looking towards the future. As
the emergency services internet protocol network (ESInet) is deployed, geospatial call routing uses
geographic information system (GIS) data and the 911 caller’s location information to identify which
PSAP will receive the call.
The process of geospatial call routing relies on the civic address layers (address points and road center
line maintained by the localities) and a GIS layer representing PSAP boundaries for the operations area
for each PSAP. The PSAP boundary file must ensure that every square foot of the Commonwealth is
assigned to one and only one PSAP. There can be no gaps or overlaps. PSAPs sharing boundaries with
neighboring states must also meet this same rigor to ensure efficient and consistent delivery of every
911 call initiated.
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Description: Since 2015, the Public Service Communication Board, VITA Integrated Services Program staff, and staffs
from public safety answering points (PSAPs) have been planning and implementing the deployment of
Next Generation 9-1-1 (NG911) for the Commonwealth. Transitioning from the legacy
telecommunication network provides numerous benefits and flexibility looking towards the future. As
the emergency services internet protocol network (ESInet) is deployed, geospatial call routing uses
geographic information system (GIS) data and the 911 caller’s location information to identify which
PSAP will receive the call.
The process of geospatial call routing relies on the civic address layers (address points and road center
line maintained by the localities) and a GIS layer representing PSAP boundaries for the operations area
for each PSAP. The PSAP boundary file must ensure that every square foot of the Commonwealth is
assigned to one and only one PSAP. There can be no gaps or overlaps. PSAPs sharing boundaries with
neighboring states must also meet this same rigor to ensure efficient and consistent delivery of every
911 call initiated.
Copyright Text: Virginia Geographic Information Network (VGIN)
Spatial Reference:
102747
(2284)
Initial Extent:
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YMin: 2779273.0595851233
XMax: 1.2560709272034254E7
YMax: 4772973.3005916625
Spatial Reference: 102747
(2284)
Full Extent:
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YMin: 3354590.240675643
XMax: 1.24370731840543E7
YMax: 4197658.929206803
Spatial Reference: 102747
(2284)
Units: esriFeet
Document Info:
Title: PSAP Polygons (State Plane North)
Author:
Comments: Since 2015, the Public Service Communication Board, VITA Integrated Services Program staff, and staffs
from public safety answering points (PSAPs) have been planning and implementing the deployment of
Next Generation 9-1-1 (NG911) for the Commonwealth. Transitioning from the legacy
telecommunication network provides numerous benefits and flexibility looking towards the future. As
the emergency services internet protocol network (ESInet) is deployed, geospatial call routing uses
geographic information system (GIS) data and the 911 caller’s location information to identify which
PSAP will receive the call.
The process of geospatial call routing relies on the civic address layers (address points and road center
line maintained by the localities) and a GIS layer representing PSAP boundaries for the operations area
for each PSAP. The PSAP boundary file must ensure that every square foot of the Commonwealth is
assigned to one and only one PSAP. There can be no gaps or overlaps. PSAPs sharing boundaries with
neighboring states must also meet this same rigor to ensure efficient and consistent delivery of every
911 call initiated.
Subject: The intended use of this data layer is for publishing a PSAP polygon as deemed mandatory by the National Emergency Number Association (NENA).
Category:
Keywords: VGIN,NGSB,NG9-1-1,NENA,PSAP
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