Southern California Intelligent Transportation System Regional Architecture

IEEE 1455-1999: Standard for Message Sets for Vehicle/Roadside Communications

Source Element	Destination Element	Flow
CHP Weigh-In-Motion/ Inspection stations	Commercial Vehicles	electronic screening request
	Commercial Vehicles	pass/pull-in
	Commercial Vehicles	screening event record
Commercial Fleet Operations	Commercial Vehicles	on-board safety request
Commercial Vehicle Operation Centers	Commercial Vehicles	on-board safety request
Commercial Vehicles	CHP Weigh-In-Motion/ Inspection stations	screening event record
	Commercial Fleet Operations	on-board safety data
	Commercial Vehicle Operation Centers	on-board safety data
	CVO Pre-Pass Sites	screening event record
	Port Roadside Equipment	electronic lock data
	Port Roadside Equipment	on-board safety data
	Port Roadside Equipment	screening event record
	Roadway/Railroad Inspection Facilities	electronic lock data
	Roadway/Railroad Inspection Facilities	on-board safety data
	Roadway/Railroad Inspection Facilities	screening event record
CVO Pre-Pass Sites	Commercial Vehicles	electronic screening request
	Commercial Vehicles	pass/pull-in
	Commercial Vehicles	screening event record
Express Lane Field Equipment	Vehicles	vehicle payment request
Express Lane Field Equipment	Vehicles	vehicle payment update
Port Roadside Equipment	Commercial Vehicles	electronic lock data request
	Commercial Vehicles	electronic screening request
	Commercial Vehicles	on-board safety request
	Commercial Vehicles	pass/pull-in
	Commercial Vehicles	screening event record
Roadway/Railroad Inspection Facilities	Commercial Vehicles	electronic lock data request
	Commercial Vehicles	electronic screening request
	Commercial Vehicles	on-board safety request
	Commercial Vehicles	pass/pull-in
	Commercial Vehicles	screening event record
Vehicles	Express Lane Field Equipment	vehicle payment information