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Traff ffic M Mana nagement C Cente enters rs fo for th the e Extre treme Do Do-It-Your urselfe fer Tom Mahood City of Orange Traffic Engineer March 28, 2007 ITE 2007 Technical Conference Traffic ffic M Management C t Cente

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Traff ffic M Mana nagement C Cente enters rs fo for th the e Extre treme Do Do-It-Your urselfe fer

Tom Mahood City of Orange Traffic Engineer March 28, 2007

ITE 2007 Technical Conference

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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  • 1. What traffic management software do you want to

use? (Typically driven by existing or planned controllers)

  • 2. What communications links are available or planned?
  • 3. What communications protocol to use?

So, can "we" (us City-types) build a TMC ourselves?? Maybe….Depends upon the answers to the following questions:

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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TMC-Traffic Signal Communication Links

  • Fiber optic cable (High cost, not for DIY, great bandwidth)
  • Existing copper (Low cost, possible DIY, moderate bandwidth)
  • Radio links (Can be low cost, easy DIY, modest bandwidth)
  • T1 lines (Moderate recurring cost, DIY, good bandwidth)
  • Cellular modems (Low recurring cost, DIY, low bandwidth)

The system can be a mixture of any of these. The "right tool for the right job" applies.

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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Communications Protocols –Ethernet or Serial? Ethernet

  • Widespread
  • Superficially complex
  • Plentiful equipment
  • High bandwidth
  • ITS Dept support
  • Easily scales

Serial

  • Used to be THE standard
  • Simple in low numbers
  • Equipment phasing out
  • Moderate bandwidth
  • Device dependent
  • "So last Century"
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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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Welcome to Mission Control Approximate hardware cost ~ $122,000

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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The magical guts that make it all happen

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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You can never be too rich, be too thin or have too many screens

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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Wait, you say you can’t afford a Mission Control? How about a functional equivalent for $2,400?

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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And never, EVER forget….

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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  • TMC room remodel (design and construction) $7k + $29k
  • TMC control console $10k
  • Two computer workstations, a laptop and system server $10k
  • Video display wall with 90” central screen and six 20” monitors $80k
  • Two CCTV cameras with wireless video links $13k
  • One CCTV camera with fiber link $6k
  • Communications racks, video switch and support hardware $6k

Total hardware cost ~ $161,000 Software cost: $101,000 Total initial TMC cost: $262,000

Total cost without "Mission Control" would have been ~ $140,000

Summary of Initial Costs for City of Orange

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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But let’s talk about the really fun stuff…..

Hardware!!!

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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Inexpensive (<$800) fiber optic modem

  • 2 copper, 2 SM fiber ports
  • Unmanaged, easy to use
  • Just plug and go
  • Can daisy-chain controllers
  • Very rugged and hardened
  • Needs two fibers (1 in & 1 out)
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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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  • Serial port device server (~$170 each)
  • Allows RS-232 serial ports to be accessed over Ethernet network
  • Battery backup units can be monitored from the TMC
  • Minimal setup (only have to assign IP address for device)
  • Can work for controllers too
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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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Can you find the traffic monitoring camera?

Development's contribution to traffic mitigation installed under the terms of a negotiated development agreement

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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It’s always fun to drill holes in someone else’s building

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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  • Distance to TMC ~ 4 miles
  • Cohu PZT camera
  • Verint "SmartSight" radio
  • Home Depot fittings & paint
  • Scrap aluminum
  • "Free" electricity

Total cost ~ $7,000

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But be afraid of window washers…Be very afraid

Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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More wireless video fun…… Typical intersection TMC end

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Traffic ffic M Management C t Cente ters fo for th the Ext xtrem eme Do-It It-Your

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So, asking the question again… Can we build a TMC ourselves?? Probably…..because…. Engineering School = HARD Traffic Management Center = Easy