D-RIDE:  State of the Practice 
•D-RIDE promotes ridesharing through in-vehicle and handheld technologies, and improvements to information available for high occupancy vehicle/toll lanes
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•Various forms of ridesharing since early 1990s, but now new “products” available using current technology
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•Input from Ridesharing Institute (created 2011) and new ridesharing products critical to understand marketplace
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•Limited toll lane and in-vehicle functionality
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