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City of San Jose Traffic Signal Program Overview

City of San Jose Traffic Signal Program Overview. Presented by: Jaime O. Rodriguez, TE. Disabled Advisory Committee (DAC) April 12, 2004. Presentation Outline. Traffic Signal Program Budget & Activities Design Practice and Standards New Traffic Signal Equipment

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City of San Jose Traffic Signal Program Overview

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  1. City of San Jose Traffic Signal Program Overview Presented by: Jaime O. Rodriguez, TE Disabled Advisory Committee (DAC) April 12, 2004

  2. Presentation Outline • Traffic Signal Program Budget & Activities • Design Practice and Standards • New Traffic Signal Equipment • Traffic Signal Timing Practice • New Installation & Major Modification Criteria • Open Discussion/Questions Disabled Advisory Committee (DAC) April 12, 2004

  3. Program Budget & Activities New Installations & Major Modifications $4,250,000 • Staff Design of 10 – 12 Projects/Year • Property Acquisition • Inspection Services • Survey Services • Utility Relocation Disabled Advisory Committee (DAC) April 12, 2004

  4. Program Budget & Activities Minor Modifications $550,000 • Up to 180 Improvements/Year • Traffic Signal Loop Repair & Maintenance • Vehicle & Pedestrian Indication Upgrades • Pedestrian Mobility Enhancements • Utility Relocation Disabled Advisory Committee (DAC) April 12, 2004

  5. Program Budget & Activities Developer-Assisted Funding $200,000 • Projects Vary Upon Development Activity • Complete projects off-set by contributions collected by developers. • Evergreen Valley Development • Balbach & Market TS Installation, FY04-05 Disabled Advisory Committee (DAC) April 12, 2004

  6. Program Budget & Activities Total Traffic Signal Program $4,250,000 New & Modification Projects $550,000 Minor Modifications $200,000 Developer-Assisted Funding $5,000,000 Disabled Advisory Committee (DAC) April 12, 2004

  7. Design Practice & Standards • Manual of Uniform Traffic Control Devices (MUTCD) • California Traffic Manual Design Rules & Practice • Always meet ADA Compliance on New Projects • Minimum of Two Constantly Visible Vehicle Indications for all approaches. • One Constantly Visible Pedestrian Indication for each crossing direction. Disabled Advisory Committee (DAC) April 12, 2004

  8. ADA Standards Insert Picture of New Ped Ramp Santa Clara & 6th Curb Ramps • ADA Compliant centered on each return • Grooved banding for visually impaired Pedestrian Push Buttons Insert Picture of Push Button • 2-inch Actuators, CSJ Bumblebee Brand Standard • Within 5-ft of crosswalk, goal in practice Disabled Advisory Committee (DAC) April 12, 2004

  9. ADA Standards Insert Picture of Audible Ped Signal 4th St Garage Audible Signals • Installed at all new signals with major pedestrian generators • Upon Request if warranted Insert Picture of Streetlight Improvements on The Alameda Street Light Improvements • Install or Upgrade Intersection safety lighting on all major projects Disabled Advisory Committee (DAC) April 12, 2004

  10. Audible Pedestrian Signals Installation Criteria • Pedestrian Generators (disabled centers, schools, public transit) • Push Buttons (pretimed vs actuation). Are they working properly? • Major Streets Widths • Continuous, Unobstructed Crosswalks & Indication Visibility • Request from Visually-Impaired Patron Disabled Advisory Committee (DAC) April 12, 2004

  11. Audible Pedestrian Signals Installation Time • If criteria met during time of design for new or major modification project, automatic. • Funding for up to 10 locations per year to respond to customer requests. Denied requests are presented at DAC meetings. • Requests take about 6 to 8 weeks. Department of Transportation (408) 277-3743 Disabled Advisory Committee (DAC) April 12, 2004

  12. Pedestrian Countdown Signals Background • CSJ evaluation for the California Traffic Control Devices committee (CTCDC) in 2001 • MUTCD 2003 discusses use & recommends operation consistency. Still not California approved. • State of California to adopt MUTCD in August 04 with supplement (Countdown not discussed in supplement yet). Disabled Advisory Committee (DAC) April 12, 2004

  13. Pedestrian Countdown Signals CSJ Practice • All new signals & major modifications in Downtown, will use the Countdown Modules. • Deployment outside of Downtown will occur after Caltrans adoption of the device. Equipment & Operation Requirements • Filled Upraised Hand/Walking Person Indications • Double Row Countdown • Start counting at Flashing Don’t Walk. Terminate at the end of the Flashing Don’t Walk (begin of yellow) Disabled Advisory Committee (DAC) April 12, 2004

  14. New PPB Equipment Tactile Push Buttons • Vibrating actuator w/directional arrow when “WALK” indication is in effect. • Ambient programmable audible messages. Early Model Install in Santa Cruz CSJ to Evaluate. Recommendations for test site accepted. Disabled Advisory Committee (DAC) April 12, 2004

  15. New PPB Equipment Braille Labels & Signs • Useful information for visually-impaired. Challenges • Special-order. Cost. • Maintenance. • Pole placement at existing signals. Disabled Advisory Committee (DAC) April 12, 2004

  16. Pedestrian Signal Timing Pre-Timed Signals Insert Picture Of Santa Clara St Green • Downtown SJ, Julian St to Reed St, 4th St to Route 87 • Closely spaced intersections • Predictable traffic & pedestrian patterns Actuated Signals • Intermittent traffic & pedestrian patterns • Minimize delays to vehicles & pedestrians Disabled Advisory Committee (DAC) April 12, 2004

  17. Pedestrian Signal Timing Pedestrian Scramble Insert Picture Of 9th & San Fernando • Provide pedestrians with ownership of intersection • Effective at heavy pedestrian traffic locations Challenges • Compliance • Delay to vehicles & pedestrians • Modification cost Disabled Advisory Committee (DAC) April 12, 2004

  18. Pedestrian Signal Timing Early Pedestrian Release Insert Picture Of Kieley & Kaiser Dr • Provides pedestrians with early access to the intersection before conflicting turning movements. Challenges • Traffic Signal Controller function. • Compliance Disabled Advisory Committee (DAC) April 12, 2004

  19. Signal Timing Program • Aggressive grant application process for projects • Signal Central for synchronization & response Active Projects • SJ LRT Signal Retiming (xx) • ITS San Jose Signal Retiming (xx) Disabled Advisory Committee (DAC) April 12, 2004

  20. Signal Timing Development Walking Person Display Insert Picture Of Pedestrian Crossing Street • 5-Sec Min. Display Flashing Don’t Walk Display • Crosswalk length/4 Sec/ft • Terminate FDW at Beginning of Yellow (end of green) Disabled Advisory Committee (DAC) April 12, 2004

  21. Traffic Signal Criteria New Installations Must Meet CA Traffic Signal Warrants • Warrant 1 – Min. Vehicle Volume • Warrant 2 – Interruption of Continuous Traffic • Warrant 3 – Minimum Pedestrian Vol • Warrant 4 – School Areas • Warrant 5 – Progressive Movement • Warrant 6 – Accident Experience • Warrant 7 – Systems Warrant • Warrant 8 – Combination of Warrants • Warrant 9 – Four Hour Volume Warrant • Warrant 10 – Peak Hour Delay • Warrant 11 – Peak Hour Volume Disabled Advisory Committee (DAC) April 12, 2004

  22. Traffic Signal Criteria Left-Turn Phasing Warrant Insert Picture Of LT Indication • Accidents • Delay • Left Turn vs Through Volume • Influence Factors Disabled Advisory Committee (DAC) April 12, 2004

  23. CSJ Traffic Signal Program Design, Equipment Upgrades, Signal Timing Questions: Department of Transportation 4 North Second Street, Ste. 1000 San Jose, CA 95113 (408) 277-3743 traffic.signals@sanjoseca.gov Disabled Advisory Committee (DAC) April 12, 2004

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