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Published byNoel Booker Modified over 9 years ago
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2012 HIS Session 2 What’s new with Traffic Monitoring? Speed Data Collection and Format FHWA - Washington DC Steven Jessberger 202-366-5052
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Why is Speed Data Needed? Safety Programs (Matrix) Freight Movement Speed by Type of Vehicle Congestion Measures Work Zone Management Noise Abatement Prior Speed Program 1990’s Penalties for noncompliance
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Speed Data Investigated FHWA Sponsored workshop Webinars and State Survey Speed Summit ◦ Findings: Nearly all States collect speed data Various number of bins Varied first bins – 10, 15 and 20 Some under 5 mph bins
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2012 Traffic Monitoring Guide Speed Format (all new) ◦ Variable Time Intervals (5, 15 or 60 minutes) ◦ 5 mph speed bins ◦ Flexibility in min, max and number of bins Per Vehicle Format (all new) ◦ Speed by Class ◦ One Format for All Data Types ◦ Individual Speeds, Headways and Axle Spacings
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Future TMAS Version – Speed Upload of Speed Data Quality Control Reporting Exporting GIS based tools and views Data Aggregation/Merging
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Speed Questions??
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