Patent International Class: G08G 1/7

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Automatically engaged traffic sign
Inventor: Votava, et al. | Patent Number: 8138948

Vehicle control device
Inventor: Tanaka, et al. | Patent Number: 8099232

Flashing beacon
Inventor: Jones | Patent Number: 8081087

Pedestrian activated stop sign
Inventor: Ross, et al. | Patent Number: 8063795

Street lamp system
Inventor: Wang, et al. | Patent Number: 8063794

Adaptive control systems and methods
Inventor: Chandra, et al. | Patent Number: 8050854

Modular intelligent transportation system
Inventor: Lagassey | Patent Number: 7983835

Assembly and method for controlling road signal indicators
Inventor: Meshkin, et al. | Patent Number: 7973676

Relieving urban traffic congestion
Inventor: Desai, et al. | Patent Number: 7970530

System and method for determining intersection right-of-way for vehicles
Inventor: McNew, et al. | Patent Number: 7898432

Method and system for collecting traffic data, monitoring traffic, and automated enforcement at a centralized station
Inventor: Teffer, et al. | Patent Number: 7893846

Cellular-based preemption system
Inventor: Bachelder | Patent Number: 7868783

System and method for automatically adjusting traffic light
Inventor: Basson, et al. | Patent Number: 7864072

Emergency vehicle traffic signal preemption system
Inventor: Bachelder, et al. | Patent Number: 7864071

Multipurpose LED signal system for pedestrian and traffic control
Inventor: Kim, et al. | Patent Number: 7855660

Cross-walk safety lighting with multiple enhanced flash rate
Inventor: Borenstein, et al. | Patent Number: 7852234

Light emitters for optical traffic control systems
Inventor: Schwartz, et al. | Patent Number: 7808401

Automatic guide apparatus for traffic facilities
Inventor: Iwane | Patent Number: 7804424

Alerting a driver to the presence of a pedestrian on a road
Inventor: Konforty, et al. | Patent Number: 7777646

Traffic regulation system
Inventor: Chen | Patent Number: 7764193

Multi-modal data input
Inventor: Konig | Patent Number: 7761204

Relieving urban traffic congestion
Inventor: Desai, et al. | Patent Number: 7739030

System, method and apparatus for manual control of a traffic light
Inventor: Bertels, et al. | Patent Number: 7733242

Object detection system and method
Inventor: Macneille, et al. | Patent Number: 7720260

Internet based highway traffic advisory system
Inventor: Krikelis | Patent Number: 7650228

Image processing for a traffic control system
Inventor: Afzulpurkar, et al. | Patent Number: 7646311

System and method for determining intersection right-of-way for vehicles
Inventor: McNew, et al. | Patent Number: 7639159

Multimode traffic priority/preemption vehicle arrangement
Inventor: Schwartz | Patent Number: 7573399

Methods and systems utilizing a programmable sign display located in proximity to a traffic light
Inventor: Haase | Patent Number: 7538689

Roadway systems and methods for conditionally transmitting a radio signal to vehicles, depending on whether a certain person is in the area
Inventor: Northway, et al. | Patent Number: 7482948

Wireless, especially mobile, communication device for communicating with communication devices in vehicles
Inventor: Rieder, et al. | Patent Number: 7447480

Multimode traffic priority/preemption intersection arrangement
Inventor: Schwartz | Patent Number: 7417560

Application for diminishing or avoiding the unwanted effects of traffic congestion
Inventor: Ambort | Patent Number: 7409286

Traffic detection and signal system and method therefor
Inventor: Johnson | Patent Number: 7408479

Emergency vehicle traffic signal preemption system
Inventor: Bachelder, et al. | Patent Number: 7327280

Roadside-based communication system and method
Inventor: Bachelder | Patent Number: 7265683

Vehicle information system for a loop intersection
Inventor: Shimotani | Patent Number: 7236102

Vehicle tracking and identification of emergency/law enforcement vehicles
Inventor: Gutta, et al. | Patent Number: 7183944

Methods and systems utilizing a programmable sign display located in proximity to a traffic light
Inventor: Haase | Patent Number: 7167106

Method and system for beacon/heading emergency vehicle intersection preemption
Inventor: Bachelder | Patent Number: 7116245

Emergency vehicle control system traffic loop preemption
Inventor: Bachelder, et al. | Patent Number: 7113108

Traffic preemption system
Inventor: Bachelder | Patent Number: 7098806

Trail safe alert system
Inventor: Carr | Patent Number: 7019669

Movable barrier operator with multiple lighting schemes and method
Inventor: Laird, et al. | Patent Number: 6982652

Vibrating pedestrian push button station
Inventor: Beckwith, et al. | Patent Number: 6982630

Photocell pedestrian button
Inventor: Fournier | Patent Number: 6980126

Warning light system for alerting pedestrians and passenger vehicle operators of an approaching emergency vehicle
Inventor: Barber | Patent Number: 6980125

Traffic violation detection at an intersection employing a virtual violation line
Inventor: Laird, et al. | Patent Number: 6950789

Emergency vehicle traffic signal preemption system
Inventor: Bachelder, et al. | Patent Number: 6940422

Traffic signal control method
Inventor: Nishimura | Patent Number: 6937161

Traffic signal control method
Inventor: Nishimura | Patent Number: 6937161

Tunnel monitoring system in a vehicle tunnel
Inventor: Peters | Patent Number: 6925377

Radio linked vehicle communication system
Inventor: Lilja | Patent Number: 6917306

Centralized traffic signal preemption system and method of use
Inventor: Brooke | Patent Number: 6909380

Method, system and control device for controlling light signal transmitters at intersections
Inventor: Mathias | Patent Number: 6850171

Method, system and control device for controlling light signal transmitters at intersections
Inventor: Mathias | Patent Number: 6850171

Emergency traffic signal device
Inventor: Manavi, et al. | Patent Number: 6850169

Traffic signal control system employing universal co-ordinated time (UTC) of GPS as time base
Inventor: Thao, et al. | Patent Number: 6847307

Emergency traffic signal attachment
Inventor: Diba, et al. | Patent Number: 6847306

Personalized accessibility identification receiver/transmitter and method for providing assistance
Inventor: Bowman, et al. | Patent Number: 6828918

Road traffic monitoring system
Inventor: Matsui, et al. | Patent Number: 6781523

Traffic sensor
Inventor: Glier, et al. | Patent Number: 6760061

On-road reference point positional data delivery device
Inventor: Oka, et al. | Patent Number: 6728629

System and method for controlling a traffic light
Inventor: Basson, et al. | Patent Number: 6724320

System and method for controlling a traffic light
Inventor: Basson, et al. | Patent Number: 6724320

Traffic light control and information transmission device
Inventor: Lee | Patent Number: 6710722

Probe car control method and traffic control system
Inventor: Yamane, et al. | Patent Number: 6708085

Method and system for safe emergency vehicle operation using route calculation
Inventor: Aslandogan, et al. | Patent Number: 6700504

Automatic gate control system for freeway interchanges
Inventor: Thompson, et al. | Patent Number: 6696977

Front safety light for alerting braking conditions of a vehicle
Inventor: Hall | Patent Number: 6690272

Non-violation event filtering for a traffic light violation detection system
Inventor: Laird, et al. | Patent Number: 6647361

Intelligent traffic control and warning system and method
Inventor: Lemelson, et al. | Patent Number: 6633238

Intelligent traffic control and warning system and method
Inventor: Lemelson, et al. | Patent Number: 6633238

Device and method for integrated wireless transit and emergency vehicle management
Inventor: Poursartip | Patent Number: 6621420

Traffic control method for multiple intersections
Inventor: Basinger | Patent Number: 6617981

Block signal and train proximity detector
Inventor: Zander | Patent Number: 6600429

Generalized adaptive signal control method and system
Inventor: Stallard, et al. | Patent Number: 6587778

Fault detection for traffic light systems using electronic lighting elements
Inventor: Chan, et al. | Patent Number: 6583731

Integrated queue assist and adaptive cruise control
Inventor: Joyce, et al. | Patent Number: 6560525

Dynamic work zone safety system and method
Inventor: Bergan, et al. | Patent Number: 6559774

Method for regional system wide optimal signal timing for traffic control based on wireless phone networks
Inventor: Myr | Patent Number: 6539300

Method for regional system wide optimal signal timing for traffic control based on wireless phone networks
Inventor: Myr | Patent Number: 6539300

Emergency vehicle locator and proximity warning system
Inventor: Smith, et al. | Patent Number: 6529831

Clear-cross crossing system
Inventor: Flores | Patent Number: 6448904

Clear-cross crossing system
Inventor: Flores | Patent Number: 6448904

Interactive automated traffic control system
Inventor: Edwards | Patent Number: 6441749

Method for controlling traffic
Inventor: Rahman | Patent Number: 6427113

Traffic guidance system
Inventor: Arnold | Patent Number: 6418371

Emergency vehicle warning system
Inventor: Beinke | Patent Number: 6404351

System for assisting drivers to negotiate intersections
Inventor: Lee | Patent Number: 6396417

Method and device for managing road traffic using a video camera as data source
Inventor: Hoummady | Patent Number: 6366219

Traffic signal control apparatus optimizing signal control parameter by rolling horizon scheme
Inventor: Kobayashi, et al. | Patent Number: 6339383

Vibration actuated traffic monitoring system
Inventor: Mee, et al. | Patent Number: 6333701

Emergency vehicle traffic signal pre-emption and collision avoidance system
Inventor: Gross, et al. | Patent Number: 6326903

Method and equipment for motorway control
Inventor: Olsson | Patent Number: 6320515

Intelligent traffic control and warning system and method
Inventor: Lemelson, et al. | Patent Number: 6317058

Intelligent traffic control and warning system and method
Inventor: Lemelson, et al. | Patent Number: 6317058

Method and apparatus for controlling motor vehicle traffic
Inventor: Braun | Patent Number: 6313757

Method and apparatus for controlling motor vehicle traffic
Inventor: Braun | Patent Number: 6313757

Traffic light collision avoidance system
Inventor: Glier, et al. | Patent Number: 6281808

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