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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. Why is Speed Data Needed?. Safety Programs (Matrix) Freight Movement Speed by Type of Vehicle Congestion Measures Work Zone Management
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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
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
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
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
Future TMAS Version – Speed • Upload of Speed Data • Quality Control • Reporting • Exporting • GIS based tools and views • Data Aggregation/Merging