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Architecture Flow Description
incident response coordination Incident response procedures and current incident response status that are
shared between allied response agencies to support a coordinated response
to incidents. This flow provides current situation information, including a
summary of incident status and its impact on the transportation system and
other infrastructure, and current and planned response activities. This flow
also coordinates a positive hand off of responsibility for all or part of an
incident response between agencies.
incident response status Status of the current incident response including a summary of incident status
and its impact on the transportation system, traffic management strategies
implemented at the site (e.g., closures, diversions, traffic signal control
overrides), and current and planned response activities.
incident status Information gathered at the incident site that more completely characterizes
the incident and provides current incident response status.
information on violators Information on violators provided by a law enforcement agency. May include
information about commercial vehicle violations or other kinds of violations
associated with the particular entity. The information may be provided as a
response to a real-time query or proactively by the source. The query flow is
not explicitly shown.
infrastructure monitoring sensor control Data used to configure and control infrastructure monitoring sensors.
infrastructure monitoring sensor data Data read from infrastructure-based sensors that monitor the condition or
integrity of transportation infrastructure including bridges, tunnels,
interchanges, pavement, culverts, signs, transit rail or guideway, and other
roadway infrastructure. Includes sensor data and the operational status of the
sensors.
interactive traveler information Traveler information that is customized based upon traveler requests or
traveler profiles. The information is comprised of traffic and road conditions,
advisories, incidents, payment information, transit services, parking
information, weather information, and other travel-related data updates and
confirmations.
ISP coordination Coordination and exchange of transportation information between centers.
This flow allows a broad range of transportation information collected by one
ISP to be redistributed to many other ISPs and their clients.
local signal preemption request Direct control signal or message to a signalized intersection that results in
preemption of the current control plan and grants right-of-way to the requesting
vehicle.
local signal priority request Request from a vehicle to a signalized intersection for priority at that
intersection.
maint and constr dispatch information Information used to dispatch maintenance and construction vehicles,
equipment, and crews and information used to keep work zone crews
informed. This information includes routing information, traffic information,
road restrictions, incident information, environmental information, decision
support information, maintenance schedule data, dispatch instructions,
personnel assignments, alert notifications, and corrective actions.
maint and constr dispatch status Current maintenance and construction status including work data, operator
status, crew status, and equipment status.
maint and constr equipment repair status Current maintenance and repair status of the maintenance and construction
vehicle fleet and other support equipment. This information includes a record
of all maintenance and repair activities performed.
maint and constr fleet information Information supporting maintenance of the maintenance and construction
vehicle fleet and other support equipment. This information includes vehicle
status and diagnostic information, vehicle utilization, and coordination of when
vehicles will be available for preventative and corrective maintenance.
maint and constr resource coordination Request for road maintenance and construction resources that can be used in
the diversion of traffic (cones, portable signs), clearance of a road hazard,
repair of ancillary damage, or any other incident response.
maint and constr resource request Request for road maintenance and construction resources that can be used in
the diversion of traffic (cones, portable signs), clearance of a road hazard,
repair of ancillary damage, or any other incident response. The request may
poll for resource availability or request pre-staging, staging, or immediate
dispatch of resources.
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Architecture Flow Descriptions
OKI ITS