Abstract: According to one aspect, a computer-implemented method for communication between a plurality of vehicles at an intersection includes detecting the intersection ahead of a first vehicle. The method includes determining a time of arrival of a first vehicle at the intersection and a time of arrival of a second vehicle at the intersection is approximately the same. Further, the method includes receiving behavior data about the first vehicle for a previous time of duration before the time of arrival of the first vehicle at the intersection, and receiving behavior data about the second vehicle for a previous time of duration before the time of arrival of the second vehicle at the intersection. The method includes transmitting a resolution message including information for determining a right of way maneuver between the first vehicle and the second vehicle at the intersection.

Abstract: In a method for controlling provision of traffic informational data for updating traffic information, traffic information that was previously valid on a route section, and that was provided by a traffic service provider, for example, is allocated a first added value. A second time value is determined for traffic information on the route section updated virtually by traffic informational data generated from a vehicle. From a comparison of the first and second time values, a priority ratio may be obtained as a measured value for the benefit of transferring the traffic informational data generated in the vehicle to a traffic service provider for updating traffic information that was previously valid at the traffic service provider.

Abstract: Embodiments include a method for adjusting a signal control plan for a traffic signal at an intersection based on local environmental conditions is provided. The method includes operating the traffic signal based on a standard signal control plan, receiving an indication of an adverse environmental condition, and determining if the standard signal control plan should be adjusted based on the indication of the adverse environmental condition. Based on determining that the standard signal control plan should be adjusted based on the indication of the adverse environmental condition, the method includes creating a modified signal control plan based on the adverse environmental condition and the standard signal control plan and operating the traffic signal based on the modified signal control plan.

Abstract: A traffic control sensor system which provides outputted signals to a receiving traffic control system to assist the traffic control system in making real-time informed green light decisions. Such signals received by the traffic control system include calls for a green light for monitored traffic lanes approaching an intersection. The traffic control sensor system employs various techniques to reduce the number of vehicles that are dropped or occluded. A vehicle is considered to be dropped or occluded whenever the traffic control sensor system first detects the vehicle entering a user defined zone within the approaching lanes to the intersection, and then fails to detect or monitor such vehicle exiting the user defined zones. Occlusion or dropping may occur whenever a sensor is malfunctioning, certain environmental conditions are present, or during any time the sensor's detection signal is interrupted such as from cross traffic entering the monitored intersection.

Abstract: Traffic signal timing may be altered as a function of determining occluded signal viewing. More particularly, processing units may determine that a view of a traffic signal by a person is obstructed by a vehicle located on a first ingress path to a roadway intersection with a second ingress path. The traffic signal controls the right of way of the first ingress path, and the person with the obstructed view is travelling along the first ingress path toward the intersection and is located behind the vehicle relative to a view sightline of the person to the traffic signal. In response to the occluded view determination, a transition of the traffic signal may be delayed from a current visual display of a proceed signal to a subsequent visual display of a stop signal, until an end of a delay period.

Abstract: Traffic signal timing may be altered as a function of determining occluded signal viewing. More particularly, processing units may determine that a view of a traffic signal by a person is obstructed by a vehicle located on a first ingress path to a roadway intersection with a second ingress path. The traffic signal controls the right of way of the first ingress path, and the person with the obstructed view is travelling along the first ingress path toward the intersection and is located behind the vehicle relative to a view sightline of the person to the traffic signal. In response to the occluded view determination, a transition of the traffic signal may be delayed from a current visual display of a proceed signal to a subsequent visual display of a stop signal, until an end of a delay period.

Abstract: Traffic signal timing may be altered as a function of determining occluded signal viewing. More particularly, processing units may determine that a view of a traffic signal by a person is obstructed by a large vehicle located on a first ingress path to a roadway intersection with a second ingress path. The traffic signal controls the right of way of the first ingress path, and the person with the obstructed view is travelling along the first ingress path toward the intersection and is located behind the large vehicle relative to a view sightline of the person to the traffic signal. In response to the occluded view determination, a transition of the traffic signal may be delayed from a current visual display of a proceed signal to a subsequent visual display of a stop signal, until an end of a delay period.

Abstract: A drive assist device and method capable of preventing the confusion of a driver at a traffic signal with an arrow lamp are provided. An ECU has a section for determining whether or not it is possible to pass a signal, which determines whether or not a vehicle can pass a signal, and a signal waiting time notification control section, which determines a signal waiting time of the vehicle and displays it on a display unit when the section for determining whether or not it is possible to pass a signal determines that the vehicle cannot pass a signal. The section for determining whether or not it is possible to pass a signal determines not only a lighting time of only a red signal but also a lighting time of a red signal and an arrow lamp and a lighting time of a yellow signal subsequent thereto are determined as a no-pass time.

Abstract: Traffic signal timing may be altered as a function of determining occluded signal viewing. More particularly, processing units may determine that a view of a traffic signal by a person is obstructed by a large vehicle located on a first ingress path to a roadway intersection with a second ingress path. The traffic signal controls the right of way of the first ingress path, and the person with the obstructed view is travelling along the first ingress path toward the intersection and is located behind the large vehicle relative to a view sightline of the person to the traffic signal. In response to the occluded view determination, a transition of the traffic signal may be delayed from a current visual display of a proceed signal to a subsequent visual display of a stop signal, until an end of a delay period.

Abstract: A method and system for a mid-block traffic detection and traffic signal control system is provided herein that is suited to monitoring heavy commercial vehicles such as trucks is provided. The method comprises detecting a vehicle and determining at least one pre-determined parameter of the vehicle. A traffic condition is evaluated based on the at least one pre-determined parameter. In response to the evaluation of the traffic condition, a traffic signal is controlled.

Abstract: In an electronic toll collection system, card data of a payment card is stored in an on-board unit mounted in a vehicle. Toll data necessary for a toll collection transaction including the card data is copied from the on-board unit to a cellular phone. A user passes the cellular phone to a tollgate attendant, and the toll data is moved to a toll collection unit installed at a tollgate. The toll collection unit calculates a toll fee based on the toll data and generates a delete command and road use data. When the tollgate attendant passes a portable terminal of the toll collection unit to the user, the delete command and the road use data are copied to the on-board unit. The toll data is deleted from the on-board unit by the delete command, and the road use data is reported to the user.

Abstract: A process to interchange the “stop and go” driving behaviour of the traffic with a “stop and wait, then go later without stopping” driving behaviour, consisting on a partitioning of the congested route in segments through pre-installed stop and go signals marking the limit of segments to give a stop to the vehicles of the first part and later another stop to the vehicles of the second part of the divided congestion and so on, to permit the liberation of the front conflict part of the way, turning the first signal to go at the appropriate moment and then turning the second signal to go and so forth until the vehicles of every segment after waiting in standstill go without stopping re-stabilizing the normal traffic flow. The waiting time will be announced simultaneously to avoid the uncertainty of waiting time.

Abstract: A traffic light indicator warns the motorists and pedestrians of the remaining before the traffic light changes through a visual and pictorial display defined within the light indicators of the traffic light structure. One or more light indicators are programmed to display a selected pattern of diminishing light portions within the area of the light selected indicators, gradually expanding a no-light zone with the passage of seconds remaining before the traffic light changes.

Abstract: Process for regulating traffic by means of moveable light signalling equipment (mobile traffic lights; A, B), particularly at restricted areas (E), using sensor controls which prescribe go times (green phases, T.sub.F) and clearance times (red phases T.sub.R) in the area to be secured, i.e. along a blocked stretch (S), wherein the transit time (T.sub.D) of vehicles (F) over a measured distance (M) extending substantially along the blocked stretch (S) is measured and the clearance time (T.sub.R) is established as a function of the transit time measurements (T.sub.D) obtained.

Abstract: A system for traffic signals for one-side passing, which realizes efficient traffic control during abnormal operation of detectors or the night with little traffic density. Traffic signals 6 and 7 are provided with detectors 8 and 9 for detection of passing of vehicles respectively. Both traffic signals repeat traffic lighting in a cycled manner such as green-red, red-red, red-green and red-red by a sensitive controller 10. Owing to an ill-detection switching device 71, if there is no detection signal input by the detector of one traffic signal within a switch holding time after detection signal is input by the detector of the other traffic signal, the green lighting of one traffic signal will be shifted to a fixed-cycle operation until detection signal input by the detector. The traffic signal shifted to the fixed-cycle operation will be restored to the sensitive operation if the detection signal is input by the detector.

Abstract: Priority is given to the movement of buses at intersections controlled by traffic lights, by lengthening the duration of the green lights on the street on which the bus approaches the intersection, and shortening the duration of the red lights, not only in response to the presence or absence of the bus, but also in accordance with the total amount of traffic on that street and the cross street. For each of the streets on which buses travel, there are provided "mini-green" programmer wheels which permit display of the green for two time periods of minimum duration on the relevant street, one time period corresponding to flowing traffic and the other to non-moving traffic. On each street where buses travel, there are also "time extension" programmer wheels, which permit setting of two time extensions of the duration of the green light on the associated street, again for flowing traffic and for non-moving traffic.