ASTM PS 105-99: Specification for Dedicated Short Range Communication (DSRC) Data Link Layer: Medium Access and Logical Link Control

Source Element	Destination Element	Flow
BMT Transit Vehicles	TxDOT Beaumont District Field Sensors	request tag data
City of Beaumont Field Equipment	City of Beaumont Fire Vehicles	local signal preemption request
City of Port Arthur Field Equipment	City of Port Arthur Emergency Vehicles	local signal preemption request
City of Port Arthur Transit Vehicles	TxDOT Beaumont District Field Sensors	request tag data
Commercial Vehicles	TxDOT Beaumont District Field Sensors	request tag data
TxDOT Beaumont District Field Sensors	BMT Transit Vehicles	vehicle probe data
	City of Port Arthur Transit Vehicles	vehicle probe data
	Commercial Vehicles	vehicle probe data
TxDOT Beaumont District Traffic Signals	City of Beaumont Fire Vehicles	local signal preemption request
TxDOT Beaumont District Traffic Signals	City of Port Arthur Emergency Vehicles	local signal preemption request

Last updated on 12-12-2003 using Ronald C. Ice and Associates Web Spinner Technology.