AVSS04-Lateral Safety Warning Transaction Set Diagram



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The following discusses how the National ITS Architecture provides the transportation service described by this service package. Each numbered item describes the operation of that portion of the service package identified with the corresponding number on the transaction set diagram.

  1. The vehicle receives input from the Driver (e.g. steering) (driver inputs). Data is also collected from sensors on the vehicle (basic vehicle measures) associated with basic vehicle systems (e.g. traction control, anti-lock brakes, speedometer, accelerometer, and basic engine measurements) and sensor data about lane position (roadway characteristics) . The Vehicle subsystem analyzes this data and presents updates and alarms to the Driver regarding potential lane departure conditions (driver updates) .