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Here is an example of an
actual, operational system being built.
The idea is to get important
information to travelers where and when they need it, on a situational
Multiple indicator data help
predict dangerous situations, like possible bridge icing. System pushes warning out to vehicles in the
Earlier pilot deployments were
highly manual . . .
The important information can
be delivered to an appropriately located data warehouse, which push it to
vehicles via DSRC, or via an Internet pull request from the vehicle (which makes
the request as it approaches warehouse, since the vehicle always knows where
it is). Other broadcast mechanisms
There is a chain of events to
get situational data to the right vehicles
Back office program creates
Data unit gets moved into data
Warehouse can “sprinkle” data
onto passing vehicles, or the passing vehicles can pull it in, perhaps as part
of a data bundle.
You can use this tool to test
your equipment, debug, etc.
Tool allows people to generate
examples of traveler situation data elements, and launching them toward
specific sets of vehicles. Includes
message content,channel, timeframe, etc.
[demonstrates tool . . .
“Caution: Zombies Ahead!”]
[demonstrates spreadsheet with
the detail behind the tool]