2018 T r affic Signal Be nc hmar king Se lf Asse ssme nt
We b Brie fing April 4, 2018
1
2018 T r affic Signal Be nc hmar king Se lf Asse ssme nt We b - - PowerPoint PPT Presentation
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
2
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
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
e c hno lo g y imple me nta tio n
Value
T
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 re lia b ility.
3
Source: National Transportation Operations Coalition 2012 Traffic Signal Report Card
5
T r igge r
De sign
Imple me nt
nsta ll
ine T une
va lua te Sta rt Sto p
Communication
System Control
Age nc y Goals c onte xt Obje c tive s Str ate gie s T ac tic s
6
Source: Federal Highway Administration
7
Mo b ility Sa fe ty E ffic ie nc y Susta ina b ility Re duc e Co ng e stio n Age nc y Goals c onte xt Obje c tive s Str ate gie s T ac tic s
Tasks: Design Operations Maintenance Management and Administration
Communication
System Control
Obje c tive s
Workforce
9
Communication
System Control
Obje c tive s
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 Performance Measures
14
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
Performance Measures
Service
Goals
15
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
Performance Measures Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
16
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
17
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
18
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped, Bike) Organizational Capability Context
Service
Goals
19
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped, Bike) Organizational Capability Context
Service
Goals
20
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped, Bike) Organizational Capability Context
Service
Goals
21
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
22
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
23
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
24
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
Performance Measures Safe Transfer of Right
Smooth Flow Fair Green Time Distribution Throughput Queue Management Reliable Infrastructure Responsive to Stakeholder Needs Objectives Traffic Demand (Light, Moderate, Heavy) Network Configuration (Grid, Linear, Interchange) User Mix (Vehicle, Ped Bike) Organizational Capability Context
Service
Goals
25
Be nc hma rking
26
The unexamined traffic signal is not worth operating.
~ Curtis Eddie Curtis Federal Highway Administration eddie.curtis@dot.gov | (404) 780-0927 Douglas E. Noble, P.E., PTOE Institute of Transportation Engineers dnoble@ite.org | ((202) 464-6248 Steven Lavrenz, Ph.D. E.I. National Operations Center of Excellence slavrenz@transportationops.org | (202) 464-6222