United States. Federal Highway Administration. Center for Accelerating Innovation
2020-11-01
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Innovator, published by the FHWA Center for Accelerating Innovation, advances implementation of innovative technologies and processes in the highway industry. Its audience is transportation professionals in highway agencies, trade and research groups, academia and the private sector, and the driving public.
United States. Federal Highway Administration. Center for Accelerating Innovation (2020). Innovator - November/December 2020 - Volume 14, Issue 81. United States. Federal Highway Administration. Center for Accelerating Innovation. https://rosap.ntl.bts.gov/view/dot/55572
United States. Federal Highway Administration. Center for Accelerating Innovation. Innovator - November/December 2020 - Volume 14, Issue 81. United States. Federal Highway Administration. Center for Accelerating Innovation, 2020. https://rosap.ntl.bts.gov/view/dot/55572.
United States. Federal Highway Administration. Center for Accelerating Innovation Innovator - November/December 2020 - Volume 14, Issue 81. United States. Federal Highway Administration. Center for Accelerating Innovation, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/55572.
This TechBrief describes an experiment examining the effect of lateral support systems on driving behavior and user acceptance of lateral support systems. The research team used a driving simulator to compare lane-keeping behavior when drivers were controlling the vehicle without lateral assistance (i.e., manual control) or were assisted by lane-de
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Gonzalez, T. B., & Weaver, S. (2020). Techbrief: To Alert or Assist: Comparing Effects of Different Lateral Support Systems on Lane-Keeping (Report No. FHWA-HRT-20-068). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54157
Gonzalez, Tracy B. and Starla Weaver. Techbrief: To Alert or Assist: Comparing Effects of Different Lateral Support Systems on Lane-Keeping. Report no. FHWA-HRT-20-068. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/54157.
Gonzalez, Tracy B., and Starla Weaver Techbrief: To Alert or Assist: Comparing Effects of Different Lateral Support Systems on Lane-Keeping. United States. Federal Highway Administration, 2020, Report no. FHWA-HRT-20-068, ROSA P. https://rosap.ntl.bts.gov/view/dot/54157.
This document serves as a quick reference guide for transportation professionals in State and local agencies that are interested in applying a systemic approach to road-safety management. This guide provides brief overviews of the systemic approach, common target crash types and their associated facility types, and contributing factors. It also pro
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Porter, R. J., Le, T., Gross, F. B., Carter, D., Saleem, T., & Srinivasan, R. (2020). Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide (Report No. FHWA-HRT-20-053). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54784
Porter, Richard J., Thanh Le, Frank B. Gross, Daniel Carter, Taha Saleem, and Raghavan Srinivasan. Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide. Report no. FHWA-HRT-20-053. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/54784.
Porter, Richard J., et al. Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide. United States. Federal Highway Administration, 2020, Report no. FHWA-HRT-20-053, ROSA P. https://rosap.ntl.bts.gov/view/dot/54784.
The main goal of this project was to identify focus crash and facility types (FCFTs) and associated contributing factors to better inform applications of systemic safety improvements. The selection of FCFTs was guided by the use of the Fatality Analysis Reporting System and the Highway Safety Information System (HSIS) databases (NHTSA 2018a; FHWA 2
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Saleem, T., Porter, R. J., Srinivasan, R., Carter, D., Himes, S., & Le, T. (2020). Contributing Factors for Focus Crash and Facility Types (Report No. FHWA-HRT-20-052). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54786
Saleem, Taha, Richard J. Porter, Raghavan Srinivasan, Daniel Carter, Scott Himes, and Thanh Le. Contributing Factors for Focus Crash and Facility Types. Report no. FHWA-HRT-20-052. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/54786.
Saleem, Taha, et al. Contributing Factors for Focus Crash and Facility Types. United States. Federal Highway Administration, 2020, Report no. FHWA-HRT-20-052, ROSA P. https://rosap.ntl.bts.gov/view/dot/54786.
United States. Department of Transportation. Federal Highway Administration
2020-11-01
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State Departments of Transportation (DOTs) are using bridge management system (BMS) software programs and analysis tools for different purposes. Many are just beginning to use BMS for analyzing investment strategies and recommending work actions and projects in accordance with an optimal investment strategy. Also, many are just beginning to use BMS
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United States. Department of Transportation. Federal Highway Administration (2020). Bridge Management Systems Workshop: Participant Workbook. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/73038
United States. Department of Transportation. Federal Highway Administration. Bridge Management Systems Workshop: Participant Workbook. United States. Department of Transportation. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/73038.
United States. Department of Transportation. Federal Highway Administration Bridge Management Systems Workshop: Participant Workbook. United States. Department of Transportation. Federal Highway Administration, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/73038.
United States. Federal Highway Administration. Office of Research, Development, and Technology
2020-11-01
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Public Roads
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Collaboration and Visualization in Hydraulic Engineering ; Improving Safety for Travelers and Wildlife ; Savvy City FInancing Supports Future Infrastructure ; Detecting Bridge Corrosion with a Robotic Magnetic-Based NDE System ; Moving FoRRRwD: Focus on Reducing Rural Roadway Departures
United States. Federal Highway Administration. Office of Research, Development, and Technology (2020). Public Roads, Autumn 2020 (Report No. FHWA-HRT-21-001). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54123
United States. Federal Highway Administration. Office of Research, Development, and Technology. Public Roads, Autumn 2020. Report no. FHWA-HRT-21-001. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/54123.
United States. Federal Highway Administration. Office of Research, Development, and Technology Public Roads, Autumn 2020. United States. Federal Highway Administration, 2020, Report no. FHWA-HRT-21-001, ROSA P. https://rosap.ntl.bts.gov/view/dot/54123.
The Federal Highway Administration conducted research and analysis on the current state of the waiver valuation program nationwide, to support a Notice of Proposed Rule Making initiative to update the waiver valuation sections of 49 CFR part 24, and to enhance streamlining opportunities available to acquiring agencies subject to Federal regulations
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Krop, R., Huffman, C., Leahu-Aluas, O., & Chang, H. (2020). Final Summary Report: FHWA Waiver Valuations Study August 2018 – November 2020 (Report No. FHWA-HEP-24-026). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/73525
Krop, Richard, Chris Huffman, Oana Leahu-Aluas, and Helen Chang. Final Summary Report: FHWA Waiver Valuations Study August 2018 – November 2020. Report no. FHWA-HEP-24-026. United States. Department of Transportation. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/73525.
Krop, Richard, et al. Final Summary Report: FHWA Waiver Valuations Study August 2018 – November 2020. United States. Department of Transportation. Federal Highway Administration, 2020, Report no. FHWA-HEP-24-026, ROSA P. https://rosap.ntl.bts.gov/view/dot/73525.
This case study presents an overview of the usage of link slabs to eliminate bridge joints. Representative state agency practices are reviewed. State procedures selected for review have either large numbers of installed link slabs, available design details, or innovative installation techniques. General background for link slab usage is presented f
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Thorkildsen, E. T. (2020). Case Study: Eliminating Bridge Joints with Link Slabs - An Overview of State Practices (Report No. FHWA-HIF-20-062). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56218
Thorkildsen, Eric T.. Case Study: Eliminating Bridge Joints with Link Slabs - An Overview of State Practices. Report no. FHWA-HIF-20-062. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/56218.
Thorkildsen, Eric T. Case Study: Eliminating Bridge Joints with Link Slabs - An Overview of State Practices. United States. Federal Highway Administration, 2020, Report no. FHWA-HIF-20-062, ROSA P. https://rosap.ntl.bts.gov/view/dot/56218.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-11-01
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Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2020). Traffic Volume Trends: November 2020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/54805
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: November 2020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020. https://rosap.ntl.bts.gov/view/dot/54805.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: November 2020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/54805.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-11-01
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The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2020). Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 44. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/54726
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 44. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020. https://rosap.ntl.bts.gov/view/dot/54726.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 44. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/54726.
United States. Federal Highway Administration. Office of Natural Environment
2020-11-01
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This brief newsletter each month keeps transportation stakeholders up-to-date on various issues related to transportation and climate change.
United States. Federal Highway Administration. Office of Natural Environment (2020). Air Quality and Sustainable Transportation Highlights: November/December 2020 (Report No. FHWA-HEP-21-007). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/54798
United States. Federal Highway Administration. Office of Natural Environment. Air Quality and Sustainable Transportation Highlights: November/December 2020. Report no. FHWA-HEP-21-007. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2020. https://rosap.ntl.bts.gov/view/dot/54798.
United States. Federal Highway Administration. Office of Natural Environment Air Quality and Sustainable Transportation Highlights: November/December 2020. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2020, Report no. FHWA-HEP-21-007, ROSA P. https://rosap.ntl.bts.gov/view/dot/54798.
Continued stability and performance of long-span truss bridges after loss of a critical member is broadly attributed to “redundancy” because of alternate load paths (ALPs). This report presents an extensive investigation on the load-path redundancy of long-span truss bridges, including quantification of ALP, defined as the spectra of surrounding me
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Agrawal, A., Ettouney, M., Chen, X., Li, H., & Wang, H. (2020). Steel Truss Retrofits to Provide Alternate Load Paths for Cut, Damaged, or Destroyed Members (Report No. FHWA-HRT-20-055). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54055
Agrawal, A.K., Mohammed Ettouney, X. Chen, H. Li, and H. Wang. Steel Truss Retrofits to Provide Alternate Load Paths for Cut, Damaged, or Destroyed Members. Report no. FHWA-HRT-20-055. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/54055.
Agrawal, A.K., et al. Steel Truss Retrofits to Provide Alternate Load Paths for Cut, Damaged, or Destroyed Members. United States. Federal Highway Administration, 2020, Report no. FHWA-HRT-20-055, ROSA P. https://rosap.ntl.bts.gov/view/dot/54055.
The Office of Corporate Research, Technology, and Innovation Management leads the development and coordination of a national highway research program that closes critical knowledge gaps, identifies collaboration opportunities, and accelerates innovations and technology deployments. The office’s key responsibilities include providing strategic direc
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United States. Federal Highway Administration, & United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center (2020). Office of Corporate Research, Technology, and Innovation Management (Report No. FHWA-HRT-20-025). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54106
United States. Federal Highway Administration and United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center. Office of Corporate Research, Technology, and Innovation Management. Report no. FHWA-HRT-20-025. United States. Federal Highway Administration, 2020. https://rosap.ntl.bts.gov/view/dot/54106.
United States. Federal Highway Administration, et al. Office of Corporate Research, Technology, and Innovation Management. United States. Federal Highway Administration, 2020, Report no. FHWA-HRT-20-025, ROSA P. https://rosap.ntl.bts.gov/view/dot/54106.
Transportation Systems Management and Operations (TSMO) applications and strategies are programs, projects, or services designed to get the safest and most efficient use out of existing and planned infrastructure. Organizing for operations involves mainstreaming TSMO by making it a central part of an agency’s mission and institutional structure. Th
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Flanigan, E., & Giordano, R. (2020). Organizing for TSMO – 2020 Peer Exchange Report (Report No. FHWA-HOP-20-046). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/55714
Flanigan, Erin and Reno Giordano. Organizing for TSMO – 2020 Peer Exchange Report. Report no. FHWA-HOP-20-046. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2020. https://rosap.ntl.bts.gov/view/dot/55714.
Flanigan, Erin, and Reno Giordano Organizing for TSMO – 2020 Peer Exchange Report. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2020, Report no. FHWA-HOP-20-046, ROSA P. https://rosap.ntl.bts.gov/view/dot/55714.
The successful deployment and operation of connected vehicle systems will require that devices, systems, and applications developed by different providers be compatible, interoperable, non-interfering, and, in some instances perhaps, interchangeable. In addition, some devices, systems, and applications, e.g., active safety applications, may be requ
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Yoseph, A., Balse, A., Huang, Z., & Leslie, E. (2020). Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components Traveler Information Message – SAE J2735 (Report No. FHWA-JPO-20-795). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/60881
Yoseph, Abey, Animesh Balse, Zhitong Huang, and Ed Leslie. Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components Traveler Information Message – SAE J2735. Report no. FHWA-JPO-20-795. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2020. https://rosap.ntl.bts.gov/view/dot/60881.
Yoseph, Abey, et al. Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components Traveler Information Message – SAE J2735. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2020, Report no. FHWA-JPO-20-795, ROSA P. https://rosap.ntl.bts.gov/view/dot/60881.
The successful deployment and operation of connected vehicle systems will require that devices, systems, and applications developed by different providers be compatible, interoperable, non-interfering, and, in some instances perhaps, interchangeable. In addition, some devices, systems, and applications, e.g., active safety applications, may be requ
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Yoseph, A., Balse, A., Huang, Z., & Leslie, E. (2020). Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components: Personal Safety Message – SAE J2735 (Report No. FHWA-JPO-22-928). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/60970
Yoseph, Abey, Animesh Balse, Zhitong Huang, and Ed Leslie. Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components: Personal Safety Message – SAE J2735. Report no. FHWA-JPO-22-928. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2020. https://rosap.ntl.bts.gov/view/dot/60970.
Yoseph, Abey, et al. Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components: Personal Safety Message – SAE J2735. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2020, Report no. FHWA-JPO-22-928, ROSA P. https://rosap.ntl.bts.gov/view/dot/60970.
The successful deployment and operation of connected vehicle systems will require that devices, systems, and applications developed by different providers be compatible, interoperable, non-interfering, and, in some instances perhaps, interchangeable. In addition, some devices, systems, and applications, e.g., active safety applications, may be requ
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Yoseph, A., Balse, A., Huang, Z., & Leslie, E. (2020). Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components Traveler Information Message – SAE J2735 [FHWA-JPO-22-930] (Report No. FHWA-JPO-22-930). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/61051
Yoseph, Abey, Animesh Balse, Zhitong Huang, and Ed Leslie. Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components Traveler Information Message – SAE J2735 [FHWA-JPO-22-930]. Report no. FHWA-JPO-22-930. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2020. https://rosap.ntl.bts.gov/view/dot/61051.
Yoseph, Abey, et al. Infrastructure Connectivity Certification Test Procedures for Infrastructure-Based Connected Automated Vehicle Components Traveler Information Message – SAE J2735 [FHWA-JPO-22-930]. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2020, Report no. FHWA-JPO-22-930, ROSA P. https://rosap.ntl.bts.gov/view/dot/61051.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-10-30
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The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2020). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 5, Data Complete Through 10/30/2020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56440
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 5, Data Complete Through 10/30/2020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020. https://rosap.ntl.bts.gov/view/dot/56440.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 5, Data Complete Through 10/30/2020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/56440.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2020-10-29
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This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty (2020). Human Environment Digest: October 29, 2020. United States. Federal Highway Administration. Office of Planning, Environment, and Realty. https://rosap.ntl.bts.gov/view/dot/54960
United States. Federal Highway Administration. Office of Planning, Environment, and Realty. Human Environment Digest: October 29, 2020. United States. Federal Highway Administration. Office of Planning, Environment, and Realty, 2020. https://rosap.ntl.bts.gov/view/dot/54960.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty Human Environment Digest: October 29, 2020. United States. Federal Highway Administration. Office of Planning, Environment, and Realty, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/54960.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-10-25
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The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2020). Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 43. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/54725
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 43. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020. https://rosap.ntl.bts.gov/view/dot/54725.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 43. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2020, ROSA P. https://rosap.ntl.bts.gov/view/dot/54725.
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