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Managed access system for traffic flow optimization

  • US 10,664,707 B2
  • Filed: 10/05/2015
  • Issued: 05/26/2020
  • Est. Priority Date: 10/06/2014
  • Status: Active Grant
First Claim
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1. A method for providing traffic control, the method comprising:

  • receiving a request, from a traveler, to travel in a vehicle having a vehicle identifier, the request originating from a device associated with the vehicle and the request comprising at least one of;

    (a) a destination or origin;

    (b) a direction of travel;

    (c) an origin and a destination;

    or (d) a route;

    receiving information about a current traffic congestion condition for the request to travel;

    determining a travel delay based on the request and current traffic congestion condition, wherein the travel delay represents a waiting time after the request to travel;

    transmitting a message, the message indicating when, based on the travel delay, the vehicle is authorized to begin to travel according to the request, wherein the message includes a maximum wait time prior to receiving a confirmation;

    transmitting a further message after receiving the confirmation from the traveler, the further message including a departure time, and wherein at least one of the message or the further message includes a permission code that specifies an identifier of the vehicle and route information, the permission code providing data for one or more enforcements of a violation of the departure time; and

    receiving data from a set of sensors configured to provide information which is used to detect vehicles traveling on one or more roads without authorization, the data comprising at least one of (a) one or more camera images of one or more license plates;

    (b) radio frequency (RF) signals identifying one or more vehicles;

    or (c) violation data based on permission codes specifying identifiers of vehicles and route information for the vehicle; and

    wherein the current traffic congestion condition is based on at least one of;

    current density of vehicles along the route or current rate of flow of vehicles along the route; and

    wherein a first set of roadside sensors provide information about the current traffic congestion condition, and wherein the permissions code comprises route information and other sufficient information to determine whether a detected vehicle on a route has been authorized to be on the route at the current time that the vehicle is detected on the route, and wherein the message is transmitted either soon after the travel delay is determined or around the time that the waiting period, required by the travel delay, expires, and wherein the method imposes a time window within which travel should begin and if travels does not begin within the time window, then the authorization to travel is revoked, and wherein the permission code is transmitted by a device on the vehicle to a roadside enforcement sensor, and wherein the travel delay is calculated to provide a vehicle density below a threshold value that is below a traffic density that would exist without the traffic control provided by the method.

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