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

Source Element	Destination Element	Flow
City of Del Rio International Bridge Field Equipment	Commercial Vehicles	vehicle probe data
City of Del Rio International Bridge Field Equipment	Private Vehicles	vehicle probe data
City of Del Rio International Bridge Toll Plazas	City of Del Rio Toll Tags	tag data
City of Del Rio Toll Tags	City of Del Rio International Bridge Toll Plazas	request tag data
City of Del Rio Toll Tags	City of Del Rio International Bridge Toll Plazas	tag update
Commercial Vehicles	City of Del Rio International Bridge Field Equipment	request tag data
	DPS Electronic Screening Stations	electronic screening request
	DPS Electronic Screening Stations	pass/pull-in
	DPS Electronic Screening Stations	screening event record
	US BCBP Electronic Clearance System	electronic screening request
	US BCBP Electronic Clearance System	pass/pull-in
	US BCBP Electronic Clearance System	screening event record
DPS Electronic Screening Stations	Commercial Vehicles	screening event record
Private Vehicles	City of Del Rio International Bridge Field Equipment	request tag data
US BCBP Electronic Clearance System	Commercial Vehicles	screening event record

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