COMPUTERIZED TRAFFIC SIGNAL SYSTEM OF THE CITY OF NEW YORK
THE CITY OF NEW YORK IS PRESENTLY INSTALLING A DIGITAL COMPUTER TRAFFIC CONTROL SYSTEM AND UPON ITS COMPLETION WILL CONTROL 7,000 OF THE 9,000 SIGNALIZED INTERSECTIONS IN THE CITY. PLANNING HAS BEEN COMPLETED TO INSTALL THE SYSTEM IN A LOGICAL MANNER TO ACHIEVE THE MOST BENEFICIAL RESULTS AT THE EARLIEST DATE. FOURTEEN AREA COMPUTERS AND ONE SUPERVISING COMPUTER ARE INCLUDED IN THE OVERALL PLAN. THE STRUCTURE OF BOTH HARDWARE AND SOFTWARE IS OF MODULAR CONCEPT AND CHANGES OF CONTROL STRATEGIES MAY BE MADE WITHOUT CREATING MAJOR PROBLEMS IN THE SYSTEM OPERATION. FLEXIBILITY IS REQUIRED FOR THE TRAFFIC ENGINEER TO BE RESPONSIVE TO THE STATE OF THE ART. ONE AREA COMPUTER CONTROLLING 500 INTERSECTIONS IS IN OPERATION, AND A SECOND AREA COMPUTER IS CONTROLLING ONE SUBSET. THE SYSTEM OPERATES ON A SEVEN-DAY SCHEDULE, 24 HOURS PER DAY. FIVE AREA COMPUTERS AND THE SUPERVISING COMPUTER HAVE BEEN INSTALLED IN CENTRAL CONTROL AND WORK IS IN PROGRESS FOR THE COMPLETION OF THIS FIRST PHASE. ANTICIPATED ANNUAL SAVINGS TO THE CITY ARE $200 MILLION, AND IMPLEMENTATION OF THE PROGRAM IS THE FIRST PRIORITY OF THE DEPARTMENT OF TRAFFIC. LEVELS OF BENEFIT TO THE COMMUNITY MANDATE THE CONTINUED DEVELOPMENT AND INSTALLATION AS THE SYSTEM IS REQUIRED TO ASSIST IN PROVIDING BALANCED MODES OF TRANSPORTATION WITHIN THE CITY. /AUTHOR/
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Corporate Authors:
Institute of Traffic Engineers
2029 K Street, NW
Washington, DC 20006 -
Authors:
- Hoddinott, E V
- Publication Date: 1972-9
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 157-66
- Serial:
Subject/Index Terms
- TRT Terms: Benefit cost analysis; Information processing; Level of service; Traffic control; Traffic signal control systems
- Old TRIS Terms: Traffic control systems
- Subject Areas: Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 00226562
- Record Type: Publication
- Files: TRIS
- Created Date: Apr 17 1973 12:00AM