Lexington Area ITS Architecture

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

Source Element	Destination Element	Flow
BUS Transit Vehicle	BUS Dispatch Center	transit vehicle location data
BUS Transit Website	User Personal Computing Devices	broadcast traveler information
Connected/Automated Vehicles	LFUCG Connected Vehicle Roadside Equipment	vehicle control event
	LFUCG Connected Vehicle Roadside Equipment	vehicle environmental data
	LFUCG Connected Vehicle Roadside Equipment	vehicle location and motion for surveillance
	LFUCG Connected Vehicle Roadside Equipment	vehicle profile
FTSB Transit Website	User Personal Computing Devices	broadcast traveler information
Jessamine County Emergency Vehicles	Jessamine County – 911 Emergency Services	emergency vehicle tracking data
Kentucky State Police Post 12 Patrol Car	Kentucky State Police Post 12	emergency vehicle tracking data
Kentucky State Police Post 7 Patrol Car	Kentucky State Police Post 7	emergency vehicle tracking data
KYTC District 7 Safe Patrol Vehicles	KYTC District 7 Office	emergency vehicle tracking data
KYTC GoKY	User Personal Computing Devices	broadcast traveler information
Lextran Transit Operations Center	Lextran Next Bus Arrival Display	transit traveler information
	Lextran Transit Vehicle	transit traveler information
Lextran Transit Vehicle	Lextran Transit Operations Center	transit vehicle location data
Lextran Web Site	User Personal Computing Devices	broadcast traveler information
LFUCG Connected Vehicle Roadside Equipment	Connected/Automated Vehicles	queue warning information
	Connected/Automated Vehicles	reduced speed notification
	Connected/Automated Vehicles	road weather advisories
	Connected/Automated Vehicles	vehicle signage data
	LFUCG Traffic Management Center	road weather advisory status
LFUCG Emergency Vehicles	LFUCG 911/Emergency Communications Center	emergency vehicle tracking data
LFUCG Traffic Information Website	User Personal Computing Devices	broadcast traveler information
	User Personal Computing Devices	emergency traveler information
LFUCG Traffic Management Center	LFUCG Connected Vehicle Roadside Equipment	road weather advisory info
Private Transportation Information Systems	Vehicle	broadcast traveler information
Towing and Recovery Emergency Vehicles	Towing and Recovery Dispatch Operations Center	emergency vehicle tracking data
User Personal Computing Devices	LFUCG Traffic Information Website	emergency traveler information request