Ohio Statewide ITS Architecture

Dedicated Short Range Communication at 5.9 GHz Standards Group

Source Element	Destination Element	Flow
Connected Vehicles	Connected Vehicles Roadside Equipment	vehicle intersection safety data
	Connected Vehicles Roadside Equipment	vehicle safety data
Connected Vehicles Roadside Equipment	Connected Vehicles	intersection status
	Connected Vehicles	roadway safety data
County and City Emergency Vehicles	County and City Roadside ITS Equipment	local signal preemption request
	Ohio DOT Traffic Signal Systems	local signal preemption request
County and City Parking Management Systems	Ohio Turnpike E-ZPass Tags	vehicle payment request
	Ohio Turnpike E-ZPass Tags	vehicle payment update
County and City Roadside ITS Equipment	County and City Maintenance and Construction Vehicles	work zone warning notification
County and City Transit Vehicles	County and City Roadside ITS Equipment	local signal priority request
	Ohio DOT Traffic Signal Systems	local signal priority request
Ohio DOT Automated Gate Closure Systems	Ohio DOT District Offices	barrier system status
	Ohio DOT Statewide TMC	barrier system status
Ohio DOT Variable Speed Limit Signs	Ohio DOT Statewide TMC	barrier system status
Ohio State Highway Patrol Vehicles	County and City Roadside ITS Equipment	local signal preemption request
Ohio Turnpike E-ZPass Tags	County and City Parking Management Systems	vehicle payment information
	Ohio Turnpike Toll Collection Equipment	vehicle payment information
	Regional Airport Authorities Parking Management Systems	vehicle payment information
Ohio Turnpike Toll Collection Equipment	Ohio Turnpike E-ZPass Tags	vehicle payment request
	Ohio Turnpike E-ZPass Tags	vehicle payment update
Regional Airport Authorities Parking Management Systems	Ohio Turnpike E-ZPass Tags	vehicle payment request
	Ohio Turnpike E-ZPass Tags	vehicle payment update
Regional Transit Authority Transit Vehicles	County and City Roadside ITS Equipment	local signal priority request
	Ohio DOT Traffic Signal Systems	local signal priority request
Universities and Colleges Transit Vehicles	County and City Roadside ITS Equipment	local signal priority request
	Ohio DOT Traffic Signal Systems	local signal priority request