april 16, 1999
DESCRIPTION
Application of Intelligent Transportation Systems (ITS) for Statewide Traffic and Evacuation Monitoring and Management in Louisiana. April 16, 1999. Who Are We?. Louisiana State University. Department of Civil and Environmental Engineering Dr. Marc Levitan, Structural Engineering - PowerPoint PPT PresentationTRANSCRIPT
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Application of Intelligent Transportation Systems (ITS) for Statewide Traffic and Evacuation Monitoring and Management in
Louisiana
April 16, 1999
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Who Are We?
• Department of Civil and Environmental Engineering– Dr. Marc Levitan, Structural Engineering– Dr. Brian Wolshon, Transportation Engineering
• Remote Sensing and Image Processing Laboratory– Chris Schwehm, Digital Processing
Louisiana State University
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What is ITS?
– ATMS - Video Surveillance, Incident Detection and Response, Adaptive Traffic Signal Systems
– ATIS - Changeable Message Signs, HA, In-vehicle Information, Dynamic Route Guidance
– CVO - Safety Assurance, Automated Credential Administration, Weigh-in-Motion
– AVCS - Collision Avoidance, Road Condition Sensing, Advanced Guidance
Application of Advanced Information and Communication Technologies for
Transportation
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Limitations of Current Systems Used in Louisiana
• Limited Statewide Traffic Data Collection– Limited to Hourly Volume and Average Speed– Not “Real-Time”– Not Easily Accessible and Usable
• No Roadway Specific Weather Data– Road Icing, Fog Conditions, Wind Speed
• Limited Coordination Between OEP & DOTD– Evacuation for Natural and Technological Hazards
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What Do We Suggest?
• Collect Data Statewide– Traffic, Weather, Road Surface Conditions
• Process this Information in Real-Time– Automatic and Immediate Updates
• Make it Available– Use the World Wide Web
– Decision Makers and the Public
• Present information in a Clear and Useable Format– Graphical Interface (point and click)
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What Will It Do?
If such data were available in an easily accessible form, it could have a tremendous positive impact on– Hurricane Evacuations– Incident Detection and Management– Traffic Management– Air quality attainment?– + many others
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System Requirements
• Provide data on– Traffic– Road surface conditions– Weather conditions
• Regional or statewide coverage of key routes
• Provide data in real-time or near real-time
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System Requirements, cont’d.
• Allow simultaneous access to all officials in need of the data– DOTD, OEP, State Police– Local counterparts
• Provide feedback (management) capabilities
• Allow public access to selected portions
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Problem Solution...
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TRICOMM
Total Roadway
Integrated Condition
Monitoring & Management
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System Overview
Traffic, WeatherRoad Surface Data
Central Processor
Users
InternetInternetPhone modemCellular modemSatellite PagingOther
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System Overview
Traffic, WeatherRoad Surface Data
Central Processor
Users
Traffic Management
InternetInternetPhone modemcell modemsatellite pagingother
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System Overview- Basic Conditions Monitored
• Traffic Flow– # of vehicles
– speed
– type
• Road Surface– temperature
– water depth
• Weather– temperature
– relative humidity
– wind speed and direction
– visibility
– rain
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System Overview- Optional Conditions Monitored
• Water Depth/Rate of rise in adjacent floodprone areas
• HAZMAT – chemicals– radiation
• Other
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Monitoring Station
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User Interface
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H
WW
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Highway Advisory Radio Station 3
Location: I-12 at Oneal LaneFrequency: 1670 amStatus: OperationalFlash Status: No Flash
Current Message:
Enter New Message: Flash URGENT
Interstate 12 westbound reduced to one lane at Airline Highway due to an accident in the right lane. Please expect delays.
Interstate reconstruction project completed. All traffic lanes are open
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5,805
4,123
5,339
2,364
12,445
2,745
11,008
18,873
47,665
15, 037
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Clearance Area
Enter Clearance Area
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Round Table Discussion
• Will this type of system be useful (and used)?
• Weaknesses?
• Changes?
• Improvements?