| 摘要 |
Embodiments in accordance with the invention provide communication between vehicles and traffic control devices and/or other vehicles. The communication system provides for communication of system variables such as: signal setting (e.g., red/yellow/green light), signal direction, time to signal change, signal sequence (e.g., next traffic flow), red light runner alert, signal failure, driver urgency, vehicle presence, absolute vehicle location, toll collection information, vehicle speed, roadway condition (e.g., ice on bridge surface), traffic impairments (e.g., delay ahead). The communication system also provides for communication of system variables such as: speed, acceleration/deceleration, braking, lane change with direction, malfunction (e.g., stall). The system communicates utilizing wireless optical, acoustic and/or radio frequency signaling methods.
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