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Promoting ITS Deployment via ITS Decision Website
www.calccit.org/itsdecision
Jeff X. Ban, Polina Mikkelsen, Marika Benko, Hamed Benouar
California Center for Innovative Transportation, UC-Berkeley
Mohamed AlkadriDRI, Caltrans
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What is ITS Decision? Web-based tool for ITS decision making &
implementation
ITS technologies clearinghouse
Tools to help potential implementers determine:
– What is a particular ITS technology?
– Whether it can used to solve my problems?
Designed for:
– Professionals, planners, & engineers
– Researchers & the public
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How to Search for A Solution?
All Possible Solutions
Final Solution!
Candidate Solutions
Feasible Solutions
Background information/knowledge
Feasibility Study
Similar Cases
Benefit cost analysis
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What are Available Now?
Tools for background information– National ITS Joint Program
Tools for benefit cost analysis– Caltrans: Life-Cycle Benefit-Cost Analysis
Model– FHWA: ITS Deployment Analysis System
(IDAS) There are gaps of tools for conducting
feasibility studies and case-based reasoning
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The ITSD Tool Complements and Completes Existing Tools
ITSD Education Materials
ITS Expert Systems
ITS Case Based Reasoning
ITS Benefit Cost Models
UserCognition
http://www.calccit.org/itsdecision/
Informed Decision
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Should my city install ramp metering?
Need to consider:
- traffic congestion
- safety
- public acceptance
- operation and maintenance costs
- others (in similar situations)
encountered?
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ITS Educational Materials
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Ramp Metering
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Tools…
ITS Decision
ITS ES
ITS CBR
B/C Model
UserCognition
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Matching ITS to Users’ Needs: ES & CBR Expert System
– Expert diagnosis of feasibility of an ITS technology to a particular problem
– High level assessment
– Both technical and institutional analyses
Case-Based Reasoning
– Previous implementation experiences and lessens learned
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Expert System (ES)
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Expert Diagnosis Process
Problem: Ramp Metering Installation
Context: Where, traffic volume, crashes, etc.
Diagnosis via expert knowledge database
Recommendations: Feasibility scores from technical
and institutional aspects
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Technical Analysis
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Institutional Analysis
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Recommendations
Technical
Institutional
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Case Based Reasoning (CBR)
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Our CBR Tool: Input For FSP
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Benefit/Cost Analysis
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Cost/Benefit
ITS Decision
ITS ES
ITS CBR
B/C Model
User Cognition
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BC Analysis
The Last Step of ITS Decision Several Products already Available
– Caltrans: Life-Cycle Benefit-Cost Analysis Model, http://www.dot.ca.gov/hq/tpp/offices/ote/benefit_cost.htm
– FHWA: ITS Deployment Analysis System (IDAS), http://idas.camsys.com/
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Usage of the Website
Numerous Internet visits Many email inquires regarding ITS
deployment Users mainly from CA and US, nearly 30%
from outside the country
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Internet Visits and User Demographics
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Again, Our Proposed ITS Decision Process!
ITS Educational Materials
ITS ES
ITS CBR
B/C Model
User Cognition
Informed Decision
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Thank you!
Questions?