United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-05-01
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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 (2019). Traffic Volume Trends: May 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50065
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: May 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019. https://rosap.ntl.bts.gov/view/dot/50065.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: May 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/50065.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-05-01
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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 (2019). Monthly Motor Fuel Reported by States: May 2019 (Report No. FHWA-PL-055). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/49888
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Monthly Motor Fuel Reported by States: May 2019. Report no. FHWA-PL-055. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019. https://rosap.ntl.bts.gov/view/dot/49888.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Monthly Motor Fuel Reported by States: May 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019, Report no. FHWA-PL-055, ROSA P. https://rosap.ntl.bts.gov/view/dot/49888.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-05-01
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Safety is a national transportation performance goal area, but more importantly, it is the number one priority for all transportation system users. For this reason, every state Department of Transportation (DOT), metropolitan planning organization (MPO), and many local jurisdictions are investing in programs and projects to reduce fatalities and se
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2019). Transportation Safety Planning – National and California Context (Report No. FHWA-SA-19-021). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/55620
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Transportation Safety Planning – National and California Context. Report no. FHWA-SA-19-021. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019. https://rosap.ntl.bts.gov/view/dot/55620.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Transportation Safety Planning – National and California Context. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019, Report no. FHWA-SA-19-021, ROSA P. https://rosap.ntl.bts.gov/view/dot/55620.
United States. Federal Highway Administration. Center for Accelerating Innovation
2019-05-01
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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 (2019). Innovator - May/June 2019 - Volume 12, Issue 72 (Report No. FHWA-19-CAI-012). United States. Federal Highway Administration. Center for Accelerating Innovation. https://rosap.ntl.bts.gov/view/dot/43988
United States. Federal Highway Administration. Center for Accelerating Innovation. Innovator - May/June 2019 - Volume 12, Issue 72. Report no. FHWA-19-CAI-012. United States. Federal Highway Administration. Center for Accelerating Innovation, 2019. https://rosap.ntl.bts.gov/view/dot/43988.
United States. Federal Highway Administration. Center for Accelerating Innovation Innovator - May/June 2019 - Volume 12, Issue 72. United States. Federal Highway Administration. Center for Accelerating Innovation, 2019, Report no. FHWA-19-CAI-012, ROSA P. https://rosap.ntl.bts.gov/view/dot/43988.
This project aims to develop a mobile app that enables pedestrians with disabilities to more safely and more efficiently cross signalized intersections. The proposed technology concept is a smart phone app that interacts directly with a real-time, adaptive traffic signal control system at the intersection via Dedicated Short Range Communication (DS
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Smith, S. F., Rubinstein, Z. B., Dias, B., Kamalanathsharma, R. K., Marousek, J., Sarkhili, S., & Bahram, S. (2019). Connecting Pedestrians with Disabilities to Adaptive Signal Control for Safe Intersection Crossing and Enhanced Mobility: System Requirements [Year 2] (Report No. FHWA-JPO-19-751). United States. Joint Program Office for Intelligent Transportation Systems. https://rosap.ntl.bts.gov/view/dot/43627
Smith, Stephen F., Zachary B. Rubinstein, Bernardine Dias, Raj Kishore Kamalanathsharma, Jim Marousek, Sara Sarkhili, and Sina Bahram. Connecting Pedestrians with Disabilities to Adaptive Signal Control for Safe Intersection Crossing and Enhanced Mobility: System Requirements [Year 2]. Report no. FHWA-JPO-19-751. United States. Joint Program Office for Intelligent Transportation Systems, 2019. https://rosap.ntl.bts.gov/view/dot/43627.
Smith, Stephen F., et al. Connecting Pedestrians with Disabilities to Adaptive Signal Control for Safe Intersection Crossing and Enhanced Mobility: System Requirements [Year 2]. United States. Joint Program Office for Intelligent Transportation Systems, 2019, Report no. FHWA-JPO-19-751, ROSA P. https://rosap.ntl.bts.gov/view/dot/43627.
Repair and rehabilitation of the aging highway infrastructure continues to be a challenging endeavor for all U.S. highway agencies. Thousands of miles of highway pavements need rehabilitation, and many of these highways carry over 100,000 vehicles/day, including a large percentage of trucks. Extended lane closures must be avoided to prevent compoun
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Tayabji, S. D. (2019). Washington State I-90 Pavement Rehabilitation Using Precast Concrete Pavement (Report No. FHWA-HIF-19-026). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/43577
Tayabji, Shiraz D.. Washington State I-90 Pavement Rehabilitation Using Precast Concrete Pavement. Report no. FHWA-HIF-19-026. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2019. https://rosap.ntl.bts.gov/view/dot/43577.
Tayabji, Shiraz D. Washington State I-90 Pavement Rehabilitation Using Precast Concrete Pavement. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2019, Report no. FHWA-HIF-19-026, ROSA P. https://rosap.ntl.bts.gov/view/dot/43577.
Animal-vehicle collisions (AVC), and deer-vehicle collisions (DVC) in particular, are a major safety problem on Virginia roads. Mitigation measures such as improved fencing and location-specific driver alerts are being implemented and evaluated in Virginia and elsewhere. One of the most promising mitigation methods uses a buried cable animal detect
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Druta, C., & Alden, A. S. (2019). Implementation and Evaluation of a Buried Cable Roadside Animal Detection System and Deer Warning Sign (Report No. 109863). Virginia Transportation Research Council. https://rosap.ntl.bts.gov/view/dot/42620
Druta, Cristian and Andrew S. Alden. Implementation and Evaluation of a Buried Cable Roadside Animal Detection System and Deer Warning Sign. Report no. 109863. Virginia Transportation Research Council, 2019. https://rosap.ntl.bts.gov/view/dot/42620.
Druta, Cristian, and Andrew S. Alden Implementation and Evaluation of a Buried Cable Roadside Animal Detection System and Deer Warning Sign. Virginia Transportation Research Council, 2019, Report no. 109863, ROSA P. https://rosap.ntl.bts.gov/view/dot/42620.
Small rotorcraft unmanned aerial systems have become increasingly common before, during, and after flooding disasters. A commonly used platform that retails for approximately $1,000 can perform six of the seven basic missions for flood events. The low cost of current UAS combined with the best practices that have emerged since their first introduct
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Murphy, R. R. (2019). Use of Small Unmanned Aerial Systems for Emergency Management of Flooding [techbrief] (Report No. FHWA-HIF-19-019). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43539
Murphy, Robin R.. Use of Small Unmanned Aerial Systems for Emergency Management of Flooding [techbrief]. Report no. FHWA-HIF-19-019. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43539.
Murphy, Robin R. Use of Small Unmanned Aerial Systems for Emergency Management of Flooding [techbrief]. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-19-019, ROSA P. https://rosap.ntl.bts.gov/view/dot/43539.
The purpose of this reference guide is to provide guidelines for load rating the nation’s highway tunnels to meet the regulatory requirements and to ensure consistency and uniformity of load rating those tunnels. This reference guide provides technical aspects for the load rating of tunnel structures that meets FHWA’s general load rating guidance a
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Ream, A., Frankl, B., Chavel, B. W., Leshko, B. J., Paterson, D., Wilson, P., Law, H., & Felice, C. (2019). Reference Guide for Load Rating of Tunnel Structures (Report No. FHWA-HIF-19-010). United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/43575
Ream, Anthony, Bernard Frankl, Brandon W. Chavel, Brian J. Leshko, Duncan Paterson, Patrick Wilson, Hubert Law, and Conrad Felice. Reference Guide for Load Rating of Tunnel Structures. Report no. FHWA-HIF-19-010. United States. Federal Highway Administration. Office of Bridges and Structures, 2019. https://rosap.ntl.bts.gov/view/dot/43575.
Ream, Anthony, et al. Reference Guide for Load Rating of Tunnel Structures. United States. Federal Highway Administration. Office of Bridges and Structures, 2019, Report no. FHWA-HIF-19-010, ROSA P. https://rosap.ntl.bts.gov/view/dot/43575.
FHWA R&T Now is a news update of research, technology, and development from the U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA). The news update explores Exploratory Advanced Research (EAR), Infrastructure, Operations, Safety, Program Development, Recent Research Publications, Recent Periodicals, and About FHWA R&T
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United States. Department of Transportation (2019). FHWA R&T Now - May/June 2019. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/41857
United States. Department of Transportation. FHWA R&T Now - May/June 2019. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/41857.
United States. Department of Transportation FHWA R&T Now - May/June 2019. United States. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/41857.
This manual provides guidance on performing refined analysis of bridges. The manual describes “refined analysis” and the methods allowed by the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD). Guidance for the modeling of typical girder bridges at various levels of complexity are
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Adams, A., Galindez, N., Hopper, T., Murphy, T., Ritchie, P., Storlie, V., & Weisman, J. (2019). Manual for Refined Analysis in Bridge Design and Evaluation (Report No. FHWA-HIF-18-046). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/42861
Adams, Andrew, Nohemy Galindez, Travis Hopper, Thomas Murphy, P. Ritchie, V. Storlie, and Jared Weisman. Manual for Refined Analysis in Bridge Design and Evaluation. Report no. FHWA-HIF-18-046. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2019. https://rosap.ntl.bts.gov/view/dot/42861.
Adams, Andrew, et al. Manual for Refined Analysis in Bridge Design and Evaluation. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2019, Report no. FHWA-HIF-18-046, ROSA P. https://rosap.ntl.bts.gov/view/dot/42861.
Performance-based and data-driven approaches are increasingly employed by transportation professionals to provide a strong foundation for making sound decisions and for optimizing investments. This study developed and evaluated one such method for identifying and ranking traffic bottlenecks. Bottleneck analysis tools currently available to the Virg
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Zhao, M., & Venkatanarayana, R. (2019). Improving the Identification and Characterization of Arterial Congestion Bottlenecks (Report No. FHWA/VTRC 19-R20). Virginia Transportation Research Council. https://rosap.ntl.bts.gov/view/dot/42418
Zhao, Mo and Ramkumar Venkatanarayana. Improving the Identification and Characterization of Arterial Congestion Bottlenecks. Report no. FHWA/VTRC 19-R20. Virginia Transportation Research Council, 2019. https://rosap.ntl.bts.gov/view/dot/42418.
Zhao, Mo, and Ramkumar Venkatanarayana Improving the Identification and Characterization of Arterial Congestion Bottlenecks. Virginia Transportation Research Council, 2019, Report no. FHWA/VTRC 19-R20, ROSA P. https://rosap.ntl.bts.gov/view/dot/42418.
In cold regions, such as Alaska, using studded tires is common among the public when driving in icy and snowy conditions. However, studded tires cause extensive wear to asphalt pavement, reducing pavement life. Almost 22 years have passed since the Alaska Legislature completed an analysis of the impact on Alaska’s roadways from studded tire use. Th
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Abaza, O., Arafat, M., & Uddin, M. S. (2019). Survey and Economic Analysis of Pavement Impacts from Studded Tire Use in Alaska (Report No. FHWA-AK-RD-4000(175), HFHWY00078). Alaska. Department of Transportation and Public Facilities. Research and Technology Transfer. https://rosap.ntl.bts.gov/view/dot/42626
Abaza, Osama, Mohammad Arafat, and Muhammad Saif Uddin. Survey and Economic Analysis of Pavement Impacts from Studded Tire Use in Alaska. Report no. FHWA-AK-RD-4000(175), HFHWY00078. Alaska. Department of Transportation and Public Facilities. Research and Technology Transfer, 2019. https://rosap.ntl.bts.gov/view/dot/42626.
Abaza, Osama, et al. Survey and Economic Analysis of Pavement Impacts from Studded Tire Use in Alaska. Alaska. Department of Transportation and Public Facilities. Research and Technology Transfer, 2019, Report no. FHWA-AK-RD-4000(175), HFHWY00078, ROSA P. https://rosap.ntl.bts.gov/view/dot/42626.
This report compares network-level friction measurements obtained with a Sideway-force Coefficient Routine Investigation Machine (SCRIM) and traditional locked-wheel skid trailer (LWST). The report also describes the results of two “harmonization” experiments at the two national LWST testing calibration facilities and recommends equations for conve
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de León Izeppi, E., Flintsch, G., Katicha, S., McCarthy, R., & McGhee, K. (2019). Locked-Wheel and Sideway-Force CFME Friction Testing Equipment Comparison and Evaluation Report (Report No. FHWA-RC-19-001). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/53839
de León Izeppi, Edgar, Gerardo Flintsch, Samer Katicha, Ross McCarthy, and Kevin McGhee. Locked-Wheel and Sideway-Force CFME Friction Testing Equipment Comparison and Evaluation Report. Report no. FHWA-RC-19-001. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/53839.
de León Izeppi, Edgar, et al. Locked-Wheel and Sideway-Force CFME Friction Testing Equipment Comparison and Evaluation Report. United States. Federal Highway Administration, 2019, Report no. FHWA-RC-19-001, ROSA P. https://rosap.ntl.bts.gov/view/dot/53839.
The Health in Transportation Working Group 2018 Annual Report provides an overview of the Working Group’s activities and accomplishments in 2018, summarizes other U.S. DOT health-related accomplishments, and documents its progress towards meeting the goals laid out in the 2017 Annual Report. The report also offers goals for the Working Group 2019.
Navarrete, E., & Plovnick, A. (2019). Health in Transportation Working Group 2018 Annual Report (Report No. DOT-VNTSC-FHWA-18-19;FHWA-HEP-22-015). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/72935
Navarrete, Emily and Amy Plovnick. Health in Transportation Working Group 2018 Annual Report. Report no. DOT-VNTSC-FHWA-18-19;FHWA-HEP-22-015. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2019. https://rosap.ntl.bts.gov/view/dot/72935.
Navarrete, Emily, and Amy Plovnick Health in Transportation Working Group 2018 Annual Report. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2019, Report no. DOT-VNTSC-FHWA-18-19;FHWA-HEP-22-015, ROSA P. https://rosap.ntl.bts.gov/view/dot/72935.
Based on prior studies, a 1 percent increase to in-place density (or 1 percent decrease in air voids) achieved through improved compaction was estimated to improve the fatigue performance of asphalt pavements between 8 and 44 percent and improve rutting resistance by 7 to 66 percent. In addition, a 1 percent increase in in-place density was estimat
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Aschenbrener, T., Leiva, F., & Tran, N. H. (2019). FHWA Demonstration Project for Enhanced Durability of Asphalt Pavements Through Increased In-Place Pavement Density, Phase 2 (Report No. FHWA-HIF-19-052). United States. Federal Highway Administration. Office of Asset Management, Pavements, and Construction. https://rosap.ntl.bts.gov/view/dot/42931
Aschenbrener, T., Fabricio Leiva, and Nam H. Tran. FHWA Demonstration Project for Enhanced Durability of Asphalt Pavements Through Increased In-Place Pavement Density, Phase 2. Report no. FHWA-HIF-19-052. United States. Federal Highway Administration. Office of Asset Management, Pavements, and Construction, 2019. https://rosap.ntl.bts.gov/view/dot/42931.
Aschenbrener, T., et al. FHWA Demonstration Project for Enhanced Durability of Asphalt Pavements Through Increased In-Place Pavement Density, Phase 2. United States. Federal Highway Administration. Office of Asset Management, Pavements, and Construction, 2019, Report no. FHWA-HIF-19-052, ROSA P. https://rosap.ntl.bts.gov/view/dot/42931.
This document provides information and a how-to process for State Departments of Transportation and Local Public Agencies to consider Bridge Bundling for all funding sources. Topics covered include defining successful bridge bundling projects and programs, goals and objectives, funding and financing, coalition building, risk assessment, work types,
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D’Angelo, D., Benton, B., Bishop, T., Garcia, R., & Atkins, K. (2019). Bridge Bundling Guidebook An Efficient and Effective Method for Maintaining and Improving Bridge Assets (Report No. FHWA-HIF-19-057). United States. Federal Highway Administration. Office of Policy & Governmental Affairs. https://rosap.ntl.bts.gov/view/dot/43576
D’Angelo, Daniel, Barry Benton, Thay Bishop, Romeo Garcia, and Ken Atkins. Bridge Bundling Guidebook An Efficient and Effective Method for Maintaining and Improving Bridge Assets. Report no. FHWA-HIF-19-057. United States. Federal Highway Administration. Office of Policy & Governmental Affairs, 2019. https://rosap.ntl.bts.gov/view/dot/43576.
D’Angelo, Daniel, et al. Bridge Bundling Guidebook An Efficient and Effective Method for Maintaining and Improving Bridge Assets. United States. Federal Highway Administration. Office of Policy & Governmental Affairs, 2019, Report no. FHWA-HIF-19-057, ROSA P. https://rosap.ntl.bts.gov/view/dot/43576.
This case study focuses primarily upon how the Northeast Ohio Areawide Coordinating Agency (NOACA) integrates transportation asset management into the metropolitan planning process. The case study was produced by the Federal Highway Administration (FHWA) Transportation Asset Management Expert Task Group (TAM ETG) as an example of how asset manageme
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Varma, S., & Proctor, G. D. (2019). Integrating Asset Management into the Transportation Planning Process - A Case Study (Report No. FHWA-HIF-19-001). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43574
Varma, Shobna and Gordon D. Proctor. Integrating Asset Management into the Transportation Planning Process - A Case Study. Report no. FHWA-HIF-19-001. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43574.
Varma, Shobna, and Gordon D. Proctor Integrating Asset Management into the Transportation Planning Process - A Case Study. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-19-001, ROSA P. https://rosap.ntl.bts.gov/view/dot/43574.
United States. Federal Highway Administration. Office of Natural Environment
2019-05-01
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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 (2019). Air Quality and Sustainable Transportation Highlights: May/June 2019 (Report No. FHWA-HEP-19-039). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/49110
United States. Federal Highway Administration. Office of Natural Environment. Air Quality and Sustainable Transportation Highlights: May/June 2019. Report no. FHWA-HEP-19-039. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2019. https://rosap.ntl.bts.gov/view/dot/49110.
United States. Federal Highway Administration. Office of Natural Environment Air Quality and Sustainable Transportation Highlights: May/June 2019. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2019, Report no. FHWA-HEP-19-039, ROSA P. https://rosap.ntl.bts.gov/view/dot/49110.
Pavement surface texture plays important roles in roadway safety and noise issues. More than 32,000 deaths and 2.3 million injuries occurred in more than 6 million vehicle crashes in the U.S. in 2014 (NHTSA 2016) and about 16 percent of those crashes took place on wet pavement (FHWA 2016). The two main causes of wet weather crashes are: 1) hydropla
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Snyder, M. B. (2019). Concrete Pavement Texturing [techbrief] (Report No. FHWA-HIF-17-011). United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements. https://rosap.ntl.bts.gov/view/dot/43538
Snyder, Mark B.. Concrete Pavement Texturing [techbrief]. Report no. FHWA-HIF-17-011. United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements, 2019. https://rosap.ntl.bts.gov/view/dot/43538.
Snyder, Mark B. Concrete Pavement Texturing [techbrief]. United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements, 2019, Report no. FHWA-HIF-17-011, ROSA P. https://rosap.ntl.bts.gov/view/dot/43538.
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