ITS Architecture - 2021 Update

SAE J2735: Dedicated Short Range Communications (DSRC) Message Set Dictionary

Source Element	Destination Element	Flow
Fire and Rescue Vehicles (County and Local)	Fire and Rescue Centers (County and Local)	emergency vehicle tracking data
HERE Detector Information ISP	East–West Gateway COG Archive Data System	local situation data
	Missouri DOT Gateway Guide TMC	local situation data
Illinois DOT Expressway Patrol Vehicles (EPVs)	Illinois DOT Traffic Operations Center	emergency vehicle tracking data
Illinois DOT Traffic Operations Center	Mobile Phone / Tablet	broadcast traveler information
	Personal Computer	broadcast traveler information
	Private Vehicle	broadcast traveler information
Illinois DOT Traffic Signal	Private Vehicle	vehicle signage data
Illinois DOT Website	Mobile Phone / Tablet	broadcast traveler information
	Personal Computer	broadcast traveler information
Local Police Vehicle	Local Police Operation Center	emergency vehicle tracking data
Madison County Transit Dispatch Center	Madison County Transit Vehicles	transit traveler information
Madison County Transit Vehicles	Madison County Transit Dispatch Center	transit vehicle location data
Metro Paratransit Vehicle	Metro Transit Operations Center	transit vehicle location data
Metro Transit Operations Center	Metro Transit Vehicle (bus)	transit traveler information
	Metro Transit Vehicle (rail)	transit traveler information
Metro Transit System Website	Mobile Phone / Tablet	broadcast traveler information
	Personal Computer	broadcast traveler information
	Private Vehicle	broadcast traveler information
Metro Transit Vehicle (bus)	City of St Louis Traffic Signals	local signal priority request
	Illinois DOT Traffic Signal	local signal priority request
	Metro Transit Field Equipment	local signal priority request
	Metro Transit Operations Center	transit vehicle location data
	Missouri DOT Traffic Signal	local signal priority request
Metro Transit Vehicle (rail)	Metro Transit Operations Center	transit vehicle location data
Missouri DOT – Tunnel Control Center(Lindbergh Blvd) Field Equipment	Private Vehicle	vehicle signage data
Missouri DOT Dynamic Message Signs	Missouri DOT Gateway Guide TMC	local situation data
	Private Vehicle	vehicle signage data
Missouri DOT Gateway Guide TMC	Mobile Phone / Tablet	broadcast traveler information
	Personal Computer	broadcast traveler information
	Private Vehicle	broadcast traveler information
	Private Vehicle	emergency traveler information
Missouri DOT Motorist Assist Patrol Vehicles	Missouri DOT Gateway Guide TMC	emergency vehicle tracking data
	Missouri SHP Operations Center	emergency vehicle tracking data
Missouri DOT Traffic Field Equipment	Missouri DOT Gateway Guide TMC	local situation data
Missouri DOT Traffic Signal	Private Vehicle	vehicle signage data
Missouri DOT Website	Mobile Phone / Tablet	broadcast traveler information
	Personal Computer	broadcast traveler information
	Personal Computer	emergency traveler information
Personal Computer	Missouri DOT Website	emergency traveler information request
	Regional Traveler Information System	emergency traveler information request
Private Vehicle	Missouri DOT Gateway Guide TMC	emergency traveler information request
	Regional Traveler Information System	emergency traveler information request
Regional Traveler Information System	Mobile Phone / Tablet	broadcast traveler information
	Personal Computer	broadcast traveler information
	Personal Computer	emergency traveler information
	Private Vehicle	broadcast traveler information
	Private Vehicle	emergency traveler information
St Charles Area Transit (SCAT) Vehicle	St Charles City Transit Center	transit vehicle location data
St Charles City Transit Center	St Charles Area Transit (SCAT) Vehicle	transit traveler information
St Charles County Traffic Field Equipment	Private Vehicle	vehicle situation data parameters
St Louis County Emergency Vehicle	St Louis County Police Center	emergency vehicle tracking data
	St Louis County Traffic Operations Center	emergency vehicle tracking data
St Louis County Police Vehicle	St Louis County Police Center	emergency vehicle tracking data
St Louis Metropolitan Police Vehicle	St Louis Metropolitan Police Center	emergency vehicle tracking data