ITS Architecture - 2021 Update

SRC-Legacy: Legacy Short Range Comm Using IEEE 1455

Source Element	Destination Element	Flow
Commercial Vehicle	Illinois Weigh–in–Motion Equipment	tag data
	Missouri DOT Weigh–in–Motion Equipment	tag data
	PrePass Roadside Preclearance Reader	tag data
Illinois Weigh–in–Motion Equipment	Commercial Vehicle	request tag data
Metro Transit Vehicle (bus)	City of St Louis Traffic Signals	local signal priority request
	Illinois DOT Traffic Signal	local signal priority request
	Metro Transit Field Equipment	local signal priority request
	Missouri DOT Traffic Signal	local signal priority request
Missouri DOT Weigh–in–Motion Equipment	Commercial Vehicle	request tag data
PrePass Roadside Preclearance Reader	Commercial Vehicle	request tag data