2018 t r affic signal be nc hmar king se lf asse ssme nt
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2018 T r affic Signal Be nc hmar king Se lf Asse ssme nt We b Brie fing April 4, 2018 1 Pr e se ntation Outline Why Are We Asse ssing T ra ffic Sig na l Pro g ra ms So me Histo ry Assumptio ns Unde rlying Co nc e


  1. 2018 T r affic Signal Be nc hmar king Se lf Asse ssme nt We b Brie fing April 4, 2018 1

  2. Pr e se ntation Outline Why Are We Asse ssing T ra ffic Sig na l Pro g ra ms • • So me Histo ry • Assumptio ns Unde rlying Co nc e pts • • Ob je c tive s & Pe rfo rma nc e Ba se d Ma na g e me nt • T ra ffic Sig na l Pro g ra m a nd Org a niza tio na l Ca pa b ility Gc OSTF ra me wo rk • • T he Se lf Asse ssme nt 2

  3. Why Ar e We Asse ssing T r affic Signal Pr ogr ams Goal I mpro ve d Mo b ility, Sa fe ty a nd E ffic ie nc y, Re duc e Co ng e stio n Obje c tive Ob je c tive s a nd pe rfo rma nc e -b a se d ma na g e me nt in de sig n, o pe ra tio ns, a nd ma inte na nc e Str ate gy / Pr ogr am of Ac tivitie s Be nc hma rk tra ffic sig na l infra struc ture : Wha t is the c urre nt le ve l a nd e xte nt o f a sse ts whic h is inte g ra l to info rming inve stme nt de c isio ns. Ca pture fo r tra ffic sig na l ma na g e me nt, o pe ra tio n a nd ma inte na nc e Org a niza tio na l a nd wo rkfo rc e tre nds: • T e c hno lo g y imple me nta tio n • Curre nt pra c tic e s • Value T o e nc o ura g e impro ve me nts in pra c tic e to b e ne fit the tra ve ling pub lic thro ug h pro a c tive ma na g e me nt o f tra ffic sig na l pro g ra ms le a ding to c o nsiste nt syste m a nd o rg a niza tio na l 3 re lia b ility.

  4. Some Histor y… T r affic Signal Infr astr uc tur e U.S. (E st.) Numb e r o f sig na ls: 323,000 (1/ 1000 c a pita ) Va lue o f tra ffic sig na l infra struc ture a sse ts: $85.9B ($265K / inte rse c tio n) Annua l o pe ra ting / ma inte na nc e pro g ra m c o st: $1.2B ($3,858/ inte rse c tio n) Annua l c a pita l pro g ra m c o st: $859M Source: National Transportation Operations Coalition 2012 Traffic Signal Report Card

  5. Assumptions Sta rt • Co mpla ints • 3-5 Ye a r Re timing T r igge r System Control • Co lle c t Da ta • De sig n Communication De sign Detection • I nsta ll • F ine T une • E va lua te Imple me nt Intersection Control Sto p 5

  6. Obje c tive s & Pe r for manc e Base d Manage me nt Age nc y Goals c onte xt T ac tic s Obje c tive s Str ate gie s Source: Federal Highway Administration 6

  7. Obje c tive s & Pe r for manc e Base d Manage me nt Mo b ility Sa fe ty E ffic ie nc y Susta ina b ility Age nc y Re duc e Goals Co ng e stio n c onte xt T ac tic s Obje c tive s Str ate gie s 7

  8. T r affic Signal Pr ogr am Tasks: Design Operations Maintenance System Control Management Communication Obje c tive s and Administration Detection Intersection Control Workforce

  9. T r affic Signal Pr ogr am 9

  10. Infr astr uc tur e , Syste ms & T e c hnology System Control Obje c tive s Communication Detection Intersection Control

  11. Busine ss Pr oc e sse s Tasks: Design Operations Maintenance Obje c tive s

  12. Wor kfor c e Obje c tive s Workforce

  13. Manage me nt and Administr ation Management Obje c tive s and Administration

  14. Gc OST F r ame wor k Performance Measures Yellow and Red Actuations Split Failures Green Occ Ratio Red Occ Ratio % Arrivals on Red %Arrivals on Green Purdue Coordination Diagram Queue Length Detector Failures Communication Failures 14

  15. Gc OST F r ame wor k Performance Measures Goals  Safety Yellow and Red Actuations  Mobility Split Failures  Good State of Repair Green Occ Ratio Red Occ Ratio  Quality Customer % Arrivals on Red Service %Arrivals on Green Purdue Coordination Diagram  Fiscal Responsibility Queue Length Detector Failures Communication Failures 15

  16. Gc OST F r ame wor k Performance Measures Context Goals  Safety Traffic Demand Yellow and Red Actuations (Light, Moderate, Heavy) Split Failures  Mobility Green Occ Ratio Network Red Occ Ratio  Good State of Repair Configuration (Grid, Linear, % Arrivals on Red  Quality Customer Interchange) %Arrivals on Green Service Purdue Coordination Diagram User Mix  Fiscal Responsibility (Vehicle, Ped Bike) Queue Length Organizational Detector Failures Capability Communication Failures 16

  17. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Configuration Fair Green Time Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service % Arrivals on Red Throughput %Arrivals on Green User Mix  Fiscal Responsibility Purdue Coordination Queue Management (Vehicle, Ped Bike) Diagram Reliable Queue Length Organizational Infrastructure Capability Detector Failures Responsive to Communication Failures Stakeholder Needs 17

  18. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Fair Green Time Configuration Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service Throughput % Arrivals on Red %Arrivals on Green User Mix Queue Management  Fiscal Responsibility Purdue Coordination (Vehicle, Ped Bike) Diagram Reliable Infrastructure Queue Length Organizational Capability Responsive to Detector Failures Stakeholder Needs Communication Failures 18

  19. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Configuration Fair Green Time Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service % Arrivals on Red Throughput %Arrivals on Green User Mix  Fiscal Responsibility Purdue Coordination Queue Management (Vehicle, Ped, Bike) Diagram Reliable Queue Length Organizational Infrastructure Capability Detector Failures Responsive to Communication Failures Stakeholder Needs 19

  20. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Configuration Fair Green Time Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service % Arrivals on Red Throughput %Arrivals on Green User Mix  Fiscal Responsibility Purdue Coordination Queue Management (Vehicle, Ped, Bike) Diagram Reliable Queue Length Organizational Infrastructure Capability Detector Failures Responsive to Communication Failures Stakeholder Needs 20

  21. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Configuration Fair Green Time Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service % Arrivals on Red Throughput %Arrivals on Green User Mix  Fiscal Responsibility Purdue Coordination Queue Management (Vehicle, Ped, Bike) Diagram Reliable Queue Length Organizational Infrastructure Capability Detector Failures Responsive to Communication Failures Stakeholder Needs 21

  22. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Configuration Fair Green Time Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service % Arrivals on Red Throughput %Arrivals on Green User Mix  Fiscal Responsibility Purdue Coordination Queue Management (Vehicle, Ped Bike) Diagram Reliable Queue Length Organizational Infrastructure Capability Detector Failures Responsive to Communication Failures Stakeholder Needs 22

  23. Gc OST F r ame wor k Goals Context Objectives Performance Measures  Safety Traffic Demand Safe Transfer of Right of Way Yellow and Red (Light, Moderate, Actuations Heavy)  Mobility Smooth Flow Split Failures Network  Good State of Repair Green Occ Ratio Configuration Fair Green Time Red Occ Ratio Distribution (Grid, Linear,  Quality Customer Interchange) Service % Arrivals on Red Throughput %Arrivals on Green User Mix  Fiscal Responsibility Purdue Coordination Queue Management (Vehicle, Ped Bike) Diagram Reliable Queue Length Organizational Infrastructure Capability Detector Failures Responsive to Communication Failures Stakeholder Needs 23

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