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Published byNoel Payne Modified over 8 years ago
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Performance Measures Used in the DFW Region – How to Track and Report the M & O Investment and Results AMPO Management and Operations Work Group September 28-29, 2006
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Performance Measures Examples Regional Modeled and Observed Freeway Corridor Observed Freeway and Arterial
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Congestion: A Growing Problem
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Blob Maps Parameters Percentage of Roadways Congested (LOS D, E or F) Model Output 0 to 30 Percent, not Congested 30 to 60 Percent, Moderately Congested Above 60 Percent, Severely Congested
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Congestion Map Parameters Observed Data Moderate or Intermittent Congestion (30 – 50 mph or 45 – 60 pcplpm) Severe Congestion ( 60 pcplpm)
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Relationship of Vehicle Density to Vehicle Speed Speed of Vehicles Density of Vehicles Low High LowHigh
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Thoroughfare Assessment Program Data Collection System Analysis (including emission calculations, NCTCOG) Recommend Improvements (timing plans and low-cost capital improvements) Implementation and Fine-Tuning After Assessment Documentation of Results
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Thoroughfare Assessment Program – Performance Measures Travel Time – Modeled/Observed Delay – Modeled/Observed Number of Stops - Modeled/Observed Average Speed – Modeled/Observed Emissions (VOC and NOx) – Modeled/ Post-Processed
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Truck Lane Pilot Study Observed ITS Data Speed, Volume and Lane Occupancy Average Speed by Direction by Phase Percent Change in Volumes by Phase Average Speed by Lane by Phase
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Next Steps for DFW Continue to Develop Inventory of P.M. Develop Regional Standard P.M. Continue to Track and Gather Data Develop a Regular Reporting Schedule Document Benefits of Projects
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