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Published on February 26, 2008

Author: smith

Source: authorstream.com

The Importance of Data on Trucking and Freight Rolf Schmitt Office of Freight Management and Operations:  The Importance of Data on Trucking and Freight Rolf Schmitt Office of Freight Management and Operations November, 2004 We need to understand:  We need to understand How does the movement of freight affect the transportation system? Contributions to congestion, infrastructure wear, environmental degradation, revenues How does the transportation system affect freight movement? Expected and unexpected delay, costs How do shippers and carriers adjust? Economic productivity, shifting economic activity among regions, global competitiveness There are a large number of trucks today:  There are a large number of trucks today There are a growing number of trucks in our future:  There are a growing number of trucks in our future 2020 congestion without trucks:  2020 congestion without trucks 2020 congestion with trucks:  2020 congestion with trucks Trucks and Congestion:  Trucks and Congestion Contribution of trucks to congestion Percentage of segments with over 10,000 AADTT Congested miles based on AADT less congested miles when trucks are removed Bottleneck delay in hours based on AADT less bottleneck delay when trucks are removed 950k hours of delay from truck pickup & delivery Effects of congestion on trucks Compare estimated VMT, energy use, travel times to minimum paths on uncongested network Where do we get the numbers?:  Where do we get the numbers? Freight Analysis Framework Combines freight area-to-area flows, truck counts, and highway characteristics to estimate freight flows over a network Truck counts and highway characteristics come from HPMS Freight Flows from Commodity Flow Survey Commodity-to-truckload conversions from Vehicle Inventory and Use Survey Corridor Travel Time and Border Delay Where do we publish the numbers?:  Where do we publish the numbers? Highway Statistics, Freight Facts and Figures, Freight Story, & freight office web site Traffic Congestion and Reliability Report Cost Allocation and Truck Size & Weight Studies Condition and Performance Report and AASHTO Bottom Line Study TTI Annual Mobility Report & AHUA Bottleneck Study Why do we care about the numbers?:  Why do we care about the numbers? Investment needs to support highway spending, including freight-specific facilities such as intermodal connectors Trucking aspects of user charges and toll revenues, highway damage, safety Trucking and the environment: diesel emissions, noise, invasive spiecies Disaster response, incident management, and other aspects of highway operations Commodities affected by I-40 bridge collapse:  Commodities affected by I-40 bridge collapse Challenges ahead:  Challenges ahead Local interest in freight issues stimulating demand for more timely, locally accurate data Freight crosses local boundaries, so we need to link national and local understanding to get a complete picture of freight and trucking ITS technology shows great promise for meeting these needs at reasonable cost, but it provides increasingly fragmented, narrow pictures of trucking with unknown quality The bottom line:  The bottom line Accurate and timely truck counts are at the heart of our national and local understanding of what freight transportation does to and for us, and what we need to do to keep the freight moving. “Statistics shall save us from doing what we do in the wrong places.” A. Lincoln, 1848 Freight Data and Analysis:  Freight Data and Analysis Rolf Schmitt (General, Freight Analysis Framework, data programs) 202-366-9258 Joanne Sedor (Freight publications and environmental studies) 202-366-8959 Crystal Jones (Performance measures) 202-366-2976 Rob Mulholland (Economic studies) 202-366-4241

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