WO2005094544A3 - Emergency vehicle traffic signal preemption system - Google Patents

Emergency vehicle traffic signal preemption system Download PDF

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Publication number
WO2005094544A3
WO2005094544A3 PCT/US2005/009930 US2005009930W WO2005094544A3 WO 2005094544 A3 WO2005094544 A3 WO 2005094544A3 US 2005009930 W US2005009930 W US 2005009930W WO 2005094544 A3 WO2005094544 A3 WO 2005094544A3
Authority
WO
WIPO (PCT)
Prior art keywords
emergency
intersection
emergency vehicle
vehicle
emergency vehicles
Prior art date
Application number
PCT/US2005/009930
Other languages
French (fr)
Other versions
WO2005094544A2 (en
Inventor
Aaron D Bachelder
Conrad F Foster
Original Assignee
California Inst Of Techn
Aaron D Bachelder
Conrad F Foster
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by California Inst Of Techn, Aaron D Bachelder, Conrad F Foster filed Critical California Inst Of Techn
Priority to AU2005228163A priority Critical patent/AU2005228163A1/en
Publication of WO2005094544A2 publication Critical patent/WO2005094544A2/en
Publication of WO2005094544A3 publication Critical patent/WO2005094544A3/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G9/00—Systems for controlling missiles or projectiles, not provided for elsewhere
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02—Control of position or course in two dimensions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights

Abstract

An emergency vehicle traffic light preemption system (100) for preemption of traffic lights at an intersection to allow safe passage of emergency vehicles. The system (100) includes a real-time status monitor (42) of an intersection which is relayed to a control module (10) for transmission to emergency vehicles as well as to a central dispatch office. The system (100) also provides for audio warning at an intersection to protect pedestrians who may not be in a position to see visual warnings or for various reasons cannot hear the approach of emergency vehicles. A transponder (200) mounted on an emergency vehicle provides autonomous control so the vehicle operatorcan attend to getting to an emergency and not be concerned with the operation of the system. Activation of a priority-code (i.e. Code-3) situation provides communications with each intersection being approached by an emergency vehicle and indicates whether the intersection is preempted or if there is any conflict with other approaching emergency vehicles.
PCT/US2005/009930 2004-03-24 2005-03-24 Emergency vehicle traffic signal preemption system WO2005094544A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2005228163A AU2005228163A1 (en) 2004-03-24 2005-03-24 Emergency vehicle traffic signal preemption system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/811,075 2004-03-24
US10/811,075 US7327280B2 (en) 2002-08-15 2004-03-24 Emergency vehicle traffic signal preemption system

Publications (2)

Publication Number Publication Date
WO2005094544A2 WO2005094544A2 (en) 2005-10-13
WO2005094544A3 true WO2005094544A3 (en) 2006-07-13

Family

ID=35064426

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/009930 WO2005094544A2 (en) 2004-03-24 2005-03-24 Emergency vehicle traffic signal preemption system

Country Status (3)

Country Link
US (2) US7327280B2 (en)
AU (1) AU2005228163A1 (en)
WO (1) WO2005094544A2 (en)

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