A Method For Measuring Accuracy of Real-time Construction ... Presentations/Tuesday/37/Niloy_37.pdfA...
Transcript of A Method For Measuring Accuracy of Real-time Construction ... Presentations/Tuesday/37/Niloy_37.pdfA...
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A Method For Measuring Accuracy of Real-time Construction Information Dissemination To
Travelers Using Traffic CamerasPresented By
MD TOUSHIK AHMED NILOY
Southern Illinois University Edwardsville
Ohio Transportation Engineering Conference
October 25 1
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Introduction
• Real-time System Management Information Program (RTSMIP)
• 23 CFR 511 Regulation
• Two steps implementation of RTSMIP required
Interstate operational
Routes of Significance in MSAs operational
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23 CFR 511 Regulation
• Include Requirements
Timeliness – disseminate real-time information
10 mins for metropolitan areas
20 mins for outside metropolitan areas
Accuracy
Availability
• Accuracy threshold minimum 85%
• Available threshold 90%
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IDOT’s Measuring Method • Method requires an annual review
Travel time
Construction information
Incident information
Weather information
• Randomly select 25%
• Lane openings categories
No closure
Partial or full closure
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Objectives
• To present a method to review the accuracy of real-time traveler
information about lane- or road-closing construction projects in
metropolitan areas that must 20 comply with 23 CFR 511
• Presents a case study to demonstrate how the propose method could
apply to metropolitan areas throughout the US
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DOTs’ Information Dissemination
• VDOT- Though mall on large screens
• DCDOT- Dynamic Message Signs, traffic camera
• NJDOT- Trumpet, CCTV, Social Media
• IDOT- Getting around IL &
Travel Midwest Website
• FDOT- 511 information system 6
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DOTs’ Information Dissemination
• CALTRANS- ITS Tool & 511 Information System
• WSDOT- Website & Social Media
• NMDOT- CCTV, DMS & PDMS
• NDDOT- CCTV, DMS & PDMS
• NDOT- Changeable message signs
• NCDOT- PDMS, CCTV & Sensors 7
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Proposed Method for Evaluation
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Reported information & Accuracy
• Reported to the public
Full or partial closure
Road segment of closure
Start time of closure
End time of closure
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Construction Projects
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Summary of Construction Projects
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RESULTS
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RESULTS
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CONCLUSION & RECOMMENDATIONS
• Traffic camera assessed- 62% projects
• Manual observations- rural areas
• Real-time streaming traffic cameras information
• Traffic camera maintance
• Statewide traffic management center
• Setup more Traffic camera 14
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QUESTIONS
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