United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-06-13
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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 (2021). Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 23. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56428
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 23. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/56428.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 23. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/56428.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-06-11
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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 (2021). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 37, Data Complete Through 6/11/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56533
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. 37, Data Complete Through 6/11/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/56533.
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. 37, Data Complete Through 6/11/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/56533.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-06-11
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Monthly Motor Fuel Reported by States: February 2021 (Report No. FHWA-PL-21-026). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56602
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Monthly Motor Fuel Reported by States: February 2021. Report no. FHWA-PL-21-026. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/56602.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Monthly Motor Fuel Reported by States: February 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, Report no. FHWA-PL-21-026, ROSA P. https://rosap.ntl.bts.gov/view/dot/56602.
2021-06-10
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FHWA Highway History Website Articles
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The concern about highway safety goes back to the early years of the automobile era. But at a moment in time on December 15, 1954, President Dwight D. Eisenhower was the public face of an effort to dramatize highway safety by convincing the country’s drivers – collectively, the nuts in question – to go one full day without accidents.
Weingroff, R. F. (2021). A Moment in Time: Safe Driving Day 1954-1955. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/74773
Weingroff, Richard F.. A Moment in Time: Safe Driving Day 1954-1955. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/74773.
Weingroff, Richard F. A Moment in Time: Safe Driving Day 1954-1955. United States. Department of Transportation. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/74773.
Smart cities and communities (SC&Cs) use advanced information and communications technologies to find new ways to solve age-old problems like potholes and pollution, traffic and parking, public health and safety, and equity and public engagement. SC&Cs create an intelligent, integrated information network by applying sensors and wireless communicat
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United States. Federal Highway Administration (2021). Putting People First: Smart Cities and Communities (Report No. FHWA-JPO-21-864). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/58182
United States. Federal Highway Administration. Putting People First: Smart Cities and Communities. Report no. FHWA-JPO-21-864. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/58182.
United States. Federal Highway Administration Putting People First: Smart Cities and Communities. United States. Federal Highway Administration, 2021, Report no. FHWA-JPO-21-864, ROSA P. https://rosap.ntl.bts.gov/view/dot/58182.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-06-06
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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
...
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 22. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56427
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 22. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/56427.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 22. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/56427.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-06-04
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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 (2021). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 36, Data Complete Through 6/4/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56532
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. 36, Data Complete Through 6/4/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/56532.
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. 36, Data Complete Through 6/4/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/56532.
United States. Federal Highway Administration. Office of Bridges and Structures
2021-06-02
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ZIP
HY-8 automates culvert hydraulic computations utilizing a number of essential features that make culvert analysis and design easier. An HY-8 User Manual is included with the software installation (access via 'Help' button on top toolbar) to provide important information on the technical features, capabilities, and limitations of the software.Improv
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United States. Federal Highway Administration. Office of Bridges and Structures (2021). HY-8 Culvert Hydraulic Analysis Program Version 7.70 [supporting software]. United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/88712
United States. Federal Highway Administration. Office of Bridges and Structures. HY-8 Culvert Hydraulic Analysis Program Version 7.70 [supporting software]. United States. Federal Highway Administration. Office of Bridges and Structures, 2021. https://rosap.ntl.bts.gov/view/dot/88712.
United States. Federal Highway Administration. Office of Bridges and Structures HY-8 Culvert Hydraulic Analysis Program Version 7.70 [supporting software]. United States. Federal Highway Administration. Office of Bridges and Structures, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/88712.
United States. Department of Transportation. Federal Highway Administration
2021-06-01
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Fast Lane - Exploring Human Behavior
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The Human Factors Team biannual highlights cover past, current, and planned future research being conducted at the Turner-Fairbank Highway Research Center.
United States. Department of Transportation. Federal Highway Administration (2021). Fast Lane - Exploring Human Behavior - Volume 14 (Report No. FHWA-HRT-22-008). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/58495
United States. Department of Transportation. Federal Highway Administration. Fast Lane - Exploring Human Behavior - Volume 14. Report no. FHWA-HRT-22-008. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/58495.
United States. Department of Transportation. Federal Highway Administration Fast Lane - Exploring Human Behavior - Volume 14. United States. Department of Transportation. Federal Highway Administration, 2021, Report no. FHWA-HRT-22-008, ROSA P. https://rosap.ntl.bts.gov/view/dot/58495.
The Federal Highway Administration is investigating narrowing freeway lanes and shoulders as a cost-effective mobility strategy. The objectives of this project were to develop improved macroscopic analysis tools, calibrate car-following models that capture narrowed lane driving behavior, conduct real-world case studies, develop narrowed lanes deplo
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Hale, D., Kondyli, A., Argote, J., Zhang, X., Schroeder, B., Button, L., Atkinson, J., Stock, D., Cheema, A., Sajjadi, S., Aycin, M., Brackstone, M., Canayon, G., Casas, J., Lenorzer, A., Jia, A., Chetan, J., & James, R. M. (2021). Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes (Report No. FHWA-HRT-21-005). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/57273
Hale, David, Alexandra Kondyli, Juan Argote, Xiaoxiao Zhang, Bastian Schroeder, Levi Button, and Jennifer Atkinson, et al.. Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes. Report no. FHWA-HRT-21-005. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/57273.
Hale, David, et al. Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/57273.
Benefits such as faster construction, more consistent material depths, and savings by better control of material yields have already been noted when automatic machine guidance (AMG) is used in successive pavement-construction activities. Now, the question is whether projects using AMG result in improved smoothness compared with those using conventi
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Mitchell, A., Sadasivam, S., Chang, G. K., Mallela, J., & McLaughlin, K. A. (2021). Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance (Report No. FHWA-HRT-21-059). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/57262
Mitchell, Alexa, Suriyanarayanan Sadasivam, George K. Chang, Jagannath Mallela, and Katharina A. McLaughlin. Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance. Report no. FHWA-HRT-21-059. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021. https://rosap.ntl.bts.gov/view/dot/57262.
Mitchell, Alexa, et al. Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021, Report no. FHWA-HRT-21-059, ROSA P. https://rosap.ntl.bts.gov/view/dot/57262.
This report presents the findings of a study on how performance-based planning and programming influences transportation planning and programming decisions at 52 State departments of transportation and 85 metropolitan planning organizations. Research was conducted throughout 2020 using online reviews of planning and programming documents, interview
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Zgoda, B., Duffy, C., Grant, M., Eggert, H., Heggedal, K., & Lettes, S. (2021). Assessment on the Effectiveness of Performance-Based Planning and Programming (PBPP) in Transportation Decision-Making for State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) (Report No. FHWA-HEP-21-027). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/58171
Zgoda, Beth, Catherine Duffy, Michael Grant, Haley Eggert, Kristina Heggedal, and Sarah Lettes. Assessment on the Effectiveness of Performance-Based Planning and Programming (PBPP) in Transportation Decision-Making for State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs). Report no. FHWA-HEP-21-027. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/58171.
Zgoda, Beth, et al. Assessment on the Effectiveness of Performance-Based Planning and Programming (PBPP) in Transportation Decision-Making for State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs). United States. Federal Highway Administration, 2021, Report no. FHWA-HEP-21-027, ROSA P. https://rosap.ntl.bts.gov/view/dot/58171.
The Federal Highway Administration's Long-Term Bridge Performance (LTBP) program issues a quarterly newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, and data analysis.
United States. Federal Highway Administration (2021). LTBP News: Summer 2021 (Report No. FHWA-HRT-21-063). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/57269
United States. Federal Highway Administration. LTBP News: Summer 2021. Report no. FHWA-HRT-21-063. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/57269.
United States. Federal Highway Administration LTBP News: Summer 2021. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-063, ROSA P. https://rosap.ntl.bts.gov/view/dot/57269.
The Fixing America’s Surface Transportation Act of 2015 established the Surface Transportation System Funding Alternatives (STSFA) Program to provide grants to States or groups of States to demonstrate user-based alternative revenue mechanisms that utilize a user-fee structure to maintain the long-term solvency of the Highway Trust Fund. In Federal
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Sethi, S., Pierce, B., Robbins, J., Van Duren, D., & Agrawal, A. W. (2021). Surface Transportation System Funding Alternatives Phase I Independent Evaluation: Cross-Cutting Report (Report No. FHWA-HOP-19-041). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/60769
Sethi, Sonika, Ben Pierce, Justin Robbins, Drew Van Duren, and Asha Weinstein Agrawal. Surface Transportation System Funding Alternatives Phase I Independent Evaluation: Cross-Cutting Report. Report no. FHWA-HOP-19-041. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/60769.
Sethi, Sonika, et al. Surface Transportation System Funding Alternatives Phase I Independent Evaluation: Cross-Cutting Report. United States. Federal Highway Administration, 2021, Report no. FHWA-HOP-19-041, ROSA P. https://rosap.ntl.bts.gov/view/dot/60769.
The Federal Highway Administration’s (FHWA’s) Development of Crash Modification Factors (DCMF) program was established in 2012 to address highway-safety research needs for evaluating new and innovative safety strategies (e.g., improvements) by developing reliable quantitative estimates of their effectiveness in reducing crashes. Forty-one State dep
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Avelar, R. E., Dixon, K. K., Ashraf, S., Jhamb, A., & Dadashova, B. (2021). Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths [tech brief] (Report No. FHWA-HRT-21-012). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://doi.org/10.21949/1521656
Avelar, Raul Eduardo, Karen K. Dixon, Sruthi Ashraf, Ankit Jhamb, and Bahar Dadashova. Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths [tech brief]. Report no. FHWA-HRT-21-012. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2021. https://doi.org/10.21949/1521656.
Avelar, Raul Eduardo, et al. Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths [tech brief]. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2021, Report no. FHWA-HRT-21-012, ROSA P. https://doi.org/10.21949/1521656.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2021-06-01
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Urban Congestion Report (UCR)
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The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
United States. Department of Transportation. Federal Highway Administration. Office of Operations (2021). Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for April through June 2021. United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/87750
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for April through June 2021. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2021. https://rosap.ntl.bts.gov/view/dot/87750.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for April through June 2021. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/87750.
Public Roads is the quarterly magazine of the Federal Highway Administration (FHWA). Reading Public Roads is the easiest way to keep up-to-date on developments in federal highway policies, programs, and research and technology. More specifically, the magazine "covers" advances and innovations in highway/traffic research and technology, critical nat
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Huie, M., Harman, T., Nelson, E. S., Pauly, R., Skrocki, C., Park, H., Claussen, K., Grooms, L., Piskai, K. B., Leslie, E., Azari, H., Shurbutt, J., Meininger, R., Dylla, H. L., & Youtcheff, J. (2021). Public Roads Magazine, Summer 2021 (Report No. FHWA-HRT-21-004). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/57058
Huie, Mary, Thomas Harman, Eileen S. Nelson, Ralph Pauly, Chad Skrocki, Hyungjun Park, and Kirk Claussen, et al.. Public Roads Magazine, Summer 2021. Report no. FHWA-HRT-21-004. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2021. https://rosap.ntl.bts.gov/view/dot/57058.
Huie, Mary, et al. Public Roads Magazine, Summer 2021. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2021, Report no. FHWA-HRT-21-004, ROSA P. https://rosap.ntl.bts.gov/view/dot/57058.
Building Information Modeling (BIM) for Infrastructure is an open standards–based collaborative work method for structuring, managing, and using data about transportation assets and networks throughout their lifecycles. It liberates data from siloed systems and makes it easier for automated processes to generate asset information and distribute it
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Mallela, J., & Bhargava, A. (2021). Advancing BIM for Infrastructure: National Strategic Roadmap (Report No. FHWA-HRT-21-064). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56953
Mallela, Jagannath and Abhishek Bhargava. Advancing BIM for Infrastructure: National Strategic Roadmap. Report no. FHWA-HRT-21-064. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56953.
Mallela, Jagannath, and Abhishek Bhargava Advancing BIM for Infrastructure: National Strategic Roadmap. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-064, ROSA P. https://rosap.ntl.bts.gov/view/dot/56953.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-06-01
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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 (2021). Traffic Volume Trends: June 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/57288
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: June 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/57288.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: June 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/57288.
One of the challenges in conducting freight transportation planning and policy analysis is the variation in the types of vehicles that are considered trucks and the manner in which distinctions are made between various types of trucks. The public sector has varying standards by which trucks are distinguished from other vehicle types and are further
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Lindsey, C., Beagan, D. F., Viswanathan, K., Motamed, M., & Yadav, V. (2021). Linking FHWA and NHTSA Vehicle Types and Deciphering Various Truck Weight Data: Methodology for Linking Vehicle Types (Report No. FHWA-PL-021-029). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/63222
Lindsey, Christopher, Daniel F. Beagan, Krishnan Viswanathan, Moggan Motamed, and Vivek Yadav. Linking FHWA and NHTSA Vehicle Types and Deciphering Various Truck Weight Data: Methodology for Linking Vehicle Types. Report no. FHWA-PL-021-029. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/63222.
Lindsey, Christopher, et al. Linking FHWA and NHTSA Vehicle Types and Deciphering Various Truck Weight Data: Methodology for Linking Vehicle Types. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, Report no. FHWA-PL-021-029, ROSA P. https://rosap.ntl.bts.gov/view/dot/63222.
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