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Warning – Audible, visible or haptic cue to alert driver to
a potentially unsafe condition |
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Control Assistance – Automatic control of a portion of the
driving function to assist the driver by relieving workload
(e.g., adaptive cruise control) or to enhance safety (e.g.,
collision avoidance braking) |
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Full Automation – Completely automatic control of driving,
relieving the driver of responsibility for driving
functions |
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Autonomous Vehicles – Vehicles that derive all their
information about the environment from their own on-board
sensors, without communication to or from the infrastructure or
other vehicles. By analogy to human drivers, the autonomous
vehicles can “see”, but they cannot “talk” or “listen”
to others. |
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Cooperative Warning Systems – Warning systems that can
receive information about the vehicle’s driving environment by
communication from other vehicles or from the infrastructure, as
well as from their own on-board sensors. |
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Cooperative Vehicle-Highway Automation Systems (CVHAS) –
Systems that provide driving control assistance or fully
automated driving, based on information about the vehicle’s
driving environment that can be received by communication
from other vehicles or from the infrastructure, as well as
from their own on-board sensors. |
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Automated Highway Systems (AHS) – Systems that provide
fully automated driving (which is only possible on
separated, protected lanes), based on information about the
vehicle’s driving environment that can be received by
communication from other vehicles or from the
infrastructure, as well as from their own on-board sensors. |
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Note that each of these systems could have implementations for
special classes of vehicles (transit buses or heavy trucks, for
example) prior to the broader implementation for the general
population of light-duty passenger vehicles. |
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