Central Ohio Regional ITS Architecture

SRC-Legacy: Legacy Short Range Comm Using IEEE 1455

Source Element	Destination Element	Flow
City of Columbus Connected Vehicle Roadside Equipment	City of Columbus Traffic Signals	intersection status monitoring
City of Columbus Fire/EMS Emergency Vehicles	City of Columbus Traffic Signals	local signal preemption request
City of Columbus Police Vehicles	City of Columbus Traffic Signals	local signal preemption request
City of Columbus TERT	City of Columbus Traffic Signals	local signal preemption request
COTA Paratransit Vehicles	City of Columbus Traffic Signals	local signal priority request
	Local Traffic Signals	local signal priority request
	ODOT Traffic Signals	local signal priority request
COTA Transit Fixed–Route Vehicles	City of Columbus Traffic Signals	local signal priority request
	Local Traffic Signals	local signal priority request
	ODOT Traffic Signals	local signal priority request
CRAA Electronic Parking Payment System	Vehicles	vehicle payment request
	Vehicles	vehicle payment update
DATA On–Demand Transit Vehicles	City of Columbus Traffic Signals	local signal priority request
	Local Traffic Signals	local signal priority request
	ODOT Traffic Signals	local signal priority request
DATA Transit Fixed–Route Vehicles	City of Columbus Traffic Signals	local signal priority request
	Local Traffic Signals	local signal priority request
	ODOT Traffic Signals	local signal priority request
Freight Truck Vehicles	PUCO Commercial Vehicle Information System	tag data
Local Connected Vehicle Roadside Equipment	Local Traffic Signals	intersection status monitoring
Local Fire/EMS Emergency Vehicles	Local Traffic Signals	local signal preemption request
Local Police/Sheriffs Vehicles	Local Traffic Signals	local signal preemption request
ODOT Connected Vehicle Roadside Equipment	ODOT Traffic Signals	intersection status monitoring
OSHP State Highway Patrol Vehicles	City of Columbus Traffic Signals	local signal preemption request
	Local Traffic Signals	local signal preemption request
	ODOT Traffic Signals	local signal preemption request
OSU CABS Buses	City of Columbus Traffic Signals	local signal priority request
	Local Traffic Signals	local signal priority request
	ODOT Traffic Signals	local signal priority request
PUCO Commercial Vehicle Information System	Freight Truck Vehicles	request tag data
Vehicles	CRAA Electronic Parking Payment System	vehicle payment information