Georgia s regional traffic operations program
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Georgia’s Regional Traffic Operations Program. Christopher Barrow, E.I.T. Traffic Engineer II. Overview. Background Information Maintaining Agencies of Traffic Signals in Georgia Regional Traffic Operations Program (RTOP) Future Funding. Background on Georgia. Population over 9.5 million

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Georgia’s Regional Traffic Operations Program

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Georgia s regional traffic operations program

Georgia’s Regional TrafficOperations Program

Christopher Barrow, E.I.T.

Traffic Engineer II


Georgia s regional traffic operations program

Overview

  • Background Information

  • Maintaining Agencies of Traffic Signals in Georgia

  • Regional Traffic Operations Program (RTOP)

  • Future Funding


Background on georgia

Background on Georgia

  • Population over 9.5 million

    • 18.3% population growth between 2000 to 2010

    • 7th fastest growing state

  • Atlanta is the largest city

    • 55% of population lives in the Atlanta Region

  • ≈ 8500 Traffic Signals

    • Over 50% located in the Atlanta Region

    • 47% located on State Routes


Georgia s regional traffic operations program

Who Operates the Traffic Signals?

  • Maintaining Agencies:

    • 7 GDOT Districts

    • 54 Counties

    • 36 Cities

  • Top 5 maintaining agencies:

    • GDOT: 1536 signals

    • City of Atlanta: 975 signals

    • Gwinnett County: 674 signals

    • DeKalb County: 661 signals

    • Cobb County: 543 signals


Georgia s regional traffic operations program

  • Atlanta Region’s Signal Operators

  • In most major metropolitan areas:

    • State DOT manages the freeway network

    • Local agencies manage arterials

  • In Atlanta:

    • 4 GDOT Districts

    • 15 Counties

    • 22 Cities


Georgia s regional traffic operations program

RTOP’s Role

  • Traffic Signal Maintenance and Repair Issues

  • Regional Focus

    • Mainline Priority

    • Cross-Jurisdictional

  • Actively Manage Traffic Flow

Mission: To increase travel throughput by minimizing congestion and reducing delays along regional commuter corridors through improved signal operations.


Georgia s regional traffic operations program

Regionally SignificantCorridors RTOP 1


Georgia s regional traffic operations program

Regionally SignificantCorridors RTOP 2


Georgia s regional traffic operations program

What have we been doing?

  • Preventative/Routine maintenance

  • Repair of equipment

  • Communications to traffic signals

  • Surveillance at key locations

  • Active signal timing adjustments


Preventative maintenance

Preventative Maintenance

Before

After


Georgia s regional traffic operations program

Equipment Repair

Program Goal


Corridor managers

Corridor Managers

(770) 547-2984

(678) 215-2486

(770) 500-2027

(404) 406-8791

(770) 715-7554

(770) 596-3147

(404) 357-6631

(404) 293-7868

(678) 521-3393

(770) 608-6071

(678) 559-4556

(404) 275-5745


Remote communications

Remote Communications

  • 196 Currently accessible from the TMC

Accessible from TMC

Accessible from TCC

No remote communications


Surveillance

Surveillance

  • Cameras on GDOT network

  • Delcan to include local agency cameras

Online

Under Construction

Planned


Georgia s regional traffic operations program

Active Management

  • Control from a single location

  • AM Peak

    • 6 AM to 10 AM

  • PM Peak

    • 3 PM to 7 PM


Georgia s regional traffic operations program

Real Time Traffic Signal Adjustments


Support of construction activities

Support of Construction Activities

  • RTOP Does Not Go Away When Construction Projects Start


Use of technology

Use of Technology

  • Travel Time Pilot Project

  • Ethernet Over Copper – City of Atlanta

  • Ethernet Wireless

  • Non Intrusive Detection

  • Alternative Detection

  • IVDS Over Ethernet

  • IP Cameras

  • Regional Video Sharing


Traffic responsive operation

Traffic Responsive Operation


Georgia s regional traffic operations program

Communications Plan


Georgia s regional traffic operations program

Communications Plan


Georgia s regional traffic operations program

Award Winning Program

  • 2010 Outside the Box Award – ITS Georgia

  • 2010 ITS America Smart Solution Spotlight – ITS America

  • 2012 Outstanding Public Agency Award – ITS Georgia


Georgia s regional traffic operations program

Spring 2012 Comparison to Baseline

  • During the AM/PM peaks:

    • Reduced number of stops by 8.3%

    • Reduced stopped time delay by 12%

    • Traffic Volume increased by 9%


Georgia s regional traffic operations program

Project Benefit

  • Over the last year during AM/PM peaks:

    • Eliminated 1.2 million hours of delay

    • Saved 700,000 gallons of fuel


Rtop funding

RTOP Funding

  • Late start the first year – funding cut

  • Success in 2011 and 2012 lead to increased funding

  • Program now in expansion phase

$8M

PI 0009544

$16.25M

PI 0009549

$3M

PI 0009543

$10M

PI 0009545

$12.75M

PI 0009546

$16.25M

PI 0009547

$16.25M

PI 0009548


Georgia s regional traffic operations program

Thank you

  • Christopher Barrow E.I.T.

  • Traffic Engineer II

    [email protected]


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