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1
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- Intelligent Network Flow Optimization (INFLO) bundle of applications:
- Dynamic Speed harmonization (SPD-HARM)
- Queue Warning (Q-WARN)
- Cooperative Adaptive Cruise Control (CACC)
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2
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- Dynamic Speed Harmonization (SPD-HARM) aims to dynamically adjust and
coordinate vehicle speeds in response to congestion, incidents, and road
conditions to maximize throughput and reduce crashes.
- Reducing speed variability among vehicles improves traffic flow and
minimizes or delays flow breakdown formation
- Utilize V2V and V2I communication to coordinate vehicle speeds
- Provide recommendations directly to drivers in-vehicle
- Recommend speeds by lane, by vehicle weight and size, by pavement
traction
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3
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- Queue warning (Q-WARN) aims to provide drivers timely warnings and
alerts of impending queue backup.
- To reduce shockwaves and prevent collisions and other secondary crashes
- Predict location, duration and length of queue propagation
- Utilize V2V and I2V communication for rapid dissemination and sharing
of vehicle information
- E.g., position, velocity, heading, and acceleration of vehicles in the
vicinity
- Allows drivers to take alternate routes or change lanes
- Applicable to freeways, arterials, and rural roads
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4
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- Cooperative adaptive cruise control (CACC) aims to dynamically adjust
and coordinate cruise control speeds among platooning vehicles to
improve traffic flow stability and increase throughput.
- Closely linked with SPD-HARM to reduce stop-and-go waves
- Utilizes V2V and/or V2I communication to coordinate vehicle speeds and
implement gap policy
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Notes
