CITY OF SAN DIEGO TRAFFIC SIGNAL COMMUNICATIONS MASTER PLAN P R E P A R E D B Y : P R E P A R E D F O R : D E C E M B E R 2 0 1 4 SAN DIEGO TRAFFIC SIGNAL COMMUNICATIONS MASTER PLAN December 2, 2014 Version Date Status 1 07/14/2014 Issued for City Review 2 10/24/2014 Issued for City Review 3 11/06/2014 Submitted Final Draft 4 12/02/2014 Submitted Final Report San Diego Traffic Signal Communication Master Plan i TABLE OF CONTENTS ES EXECUTIVE SUMMARY ............................................................................................................................... 1 E1 ADVANCING INITIATIVES ..................................................................................................................................... 1 E2 NEED ............................................................................................................................................................. 2 E3 DEFICIENCY IDENTIFICATION ................................................................................................................................ 2 E4 KEY RECOMMENDATIONS ................................................................................................................................... 3 E4.1 Communications System ................................................................................................................... 3 E4.2 ITS Elements ...................................................................................................................................... 4 E5 IMPLEMENTATION PHASING ................................................................................................................................ 5 E6 STAFFING RECOMMENDATIONS ........................................................................................................................... 5 E7 ORDER OF MAGNITUDE COST ESTIMATE ............................................................................................................... 6 E8 FUNDING SOURCES ........................................................................................................................................... 7 E9 DELIVERY METHODS RECOMMENDATIONS ............................................................................................................. 8 E10 NEXT STEPS ..................................................................................................................................................... 8 E11 COST EFFECTIVENESS ......................................................................................................................................... 9 1 INTRODUCTION ......................................................................................................................................... 1 1.1 NEED ............................................................................................................................................................. 1 1.2 PURPOSE......................................................................................................................................................... 2 1.3 CONSISTENCY WITH INITIATIVES ........................................................................................................................... 2 1.4 DOCUMENT ORGANIZATION ............................................................................................................................... 3 2 EXISTING CONDITIONS ............................................................................................................................... 5 2.1 TRAFFIC SIGNALS .............................................................................................................................................. 5 2.2 EXISTING TRAFFIC SIGNAL COMMUNICATIONS SYSTEM ............................................................................................. 6 2.2.1 Existing Multimode Fiber Optic Network .......................................................................................... 6 2.2.2 Existing Singlemode Fiber Optic Network ......................................................................................... 7 2.2.3 Copper Wire Analog Multi‐drop Network ......................................................................................... 8 2.2.4 Dial‐Up Field Master Based Multi‐Drop Network ............................................................................. 8 2.2.5 900 MHz Serial Digital Wireless Interconnect. .................................................................................. 9 2.2.6 Traffic Management Center .............................................................................................................. 9 2.2.7 Existing Traffic Signal Communications Architecture ...................................................................... 10 2.3 ITS ELEMENTS ............................................................................................................................................... 10 2.3.1 Cabinets and Controllers ................................................................................................................. 11 2.3.2 Changeable Message Signs ............................................................................................................. 11 2.3.3 CCTV ................................................................................................................................................ 12 2.3.4 Central Traffic Management System .............................................................................................. 12 2.4 EXISTING OPERATIONS AND MAINTENANCE STAFF ................................................................................................ 15 2.4.1 Traffic Signal Operations Staff ........................................................................................................ 15 2.4.2 Traffic Signal Maintenance Staff ..................................................................................................... 16 2.5 OTHER PUBLIC COMMUNICATION INFRASTRUCTURE .............................................................................................. 16 2.6 EXISTING CONDITIONS GIS MAP AND DATABASE .................................................................................................. 16 3 SYSTEM DEFICIENCIES AND RESOLUTION .................................................................................................. 20 3.1 DEFICIENCY IDENTIFICATION .............................................................................................................................. 20 3.1.1 Gap Identification ............................................................................................................................ 20 3.1.2 Repair Identification ........................................................................................................................ 20 3.1.3 Deficiency Summary ........................................................................................................................ 23 3.2 DEFICIENCY RESOLUTION .................................................................................................................................. 24 3.3 SUBAREAS ..................................................................................................................................................... 24 San Diego Traffic Signal Communication Master Plan ii 4 FUTURE ROAD NETWORK COMMUNICATIONS INFRASTRUCTURE.............................................................. 27 4.1 PFFP ........................................................................................................................................................... 27 4.2 SANDAG 2050 RTP ...................................................................................................................................... 27 4.3 FUTURE PROJECTS SUMMARY ........................................................................................................................... 28 4.4 FUTURE TRAFFIC SIGNALS ................................................................................................................................. 28 5 COMMUNICATIONS EQUIPMENT UPGRADES RECOMMENDATIONS .......................................................... 30 5.1 FUTURE NETWORK ELEMENTS ........................................................................................................................... 30 5.2 FUTURE COMMUNICATION NETWORK STANDARDIZATION AND RECOMMENDATIONS ................................................... 30 5.3 TMC COMMUNICATION PORTS ......................................................................................................................... 37 5.4 BANDWIDTH REQUIREMENTS ............................................................................................................................ 37 5.4.1 Traffic Control Cabinet Assemblies & Components ......................................................................... 37 5.4.2 IP Surveillance Cameras .................................................................................................................. 37 5.4.3 Demand for Real‐Time Data ............................................................................................................ 38 5.4.4 Connected Vehicle Technologies ..................................................................................................... 38 5.5 FUTURE TRAFFIC SIGNAL COMMUNICATIONS ARCHITECTURE EXAMPLE ....................................................................