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Travel Time Reliability:
Making It There On Time, All The Time
Contact: Operations Feedback at OperationsFeedback@dot.gov.
prepared for
Federal Highway Administration
prepared by
Texas Transportation Institute
with
Cambridge Systems, Inc.
date
January 1, 2006
Table of Contents
List of Tables
Table 1. Characteristics of Freight-significant Corridors
Table 2. Operating Characteristics of the Ambassador Bridge Crossing
Table 3. Value of Infrastructure at Morning Peak Travel Times, 2030
List of Figures
Figure 1. Averages Do Not Tell the Full Story
Figure 2. Commuters Plan Trips Based on the Worst Days, Not the Average Day
Figure 3. Reliability Measures Capture the Benefits of Traffic Management
Figure 4. Reliability Measures Are Related to Average Congestion Measures
Figure 5. Reliability Measures Are Easy to Calculate with Continuous Data
Figure 6. A Methodical Approach Can Be Used to Produce Travel Time Reliability Measures
Figure 7. Establish Who Will Use Reliability Measures and How They Will Use Them
Figure 8. A Reliability Measure Is Included in FHWA's Monthly Congestion Dashboard Report
Figure 9. WSDOT Travel Time Mobility and Reliability Corridor Data
Figure 10. WSDOT Commuter Reliability Information
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