This design example, concrete pier cap strengthening, involves the addition of external post-tensioning bars to a concrete pier cap. The bridge is to be strengthened to carry HL-93 design live load. The existing bridge was designed for H-15 live load, and the previous widening was designed for HS-15 live load. This example is based on AASHTO LRFD B
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Storlie, V. (2018). Report on Techniques for Bridge Strengthening. Design Example – Concrete Cap Strengthening (Report No. FHWA-HIF-18-045). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/42823
Storlie, V.. Report on Techniques for Bridge Strengthening. Design Example – Concrete Cap Strengthening. Report no. FHWA-HIF-18-045. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2018. https://rosap.ntl.bts.gov/view/dot/42823.
Storlie, V. Report on Techniques for Bridge Strengthening. Design Example – Concrete Cap Strengthening. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2018, Report no. FHWA-HIF-18-045, ROSA P. https://rosap.ntl.bts.gov/view/dot/42823.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-06-01
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Raised crosswalks are ramped speed tables spanning the entire width of the roadway, often placed at midblock crossing locations. The crosswalk is demarcated with paint and/or special paving materials. These crosswalks act as traffic-calming measures that allow the pedestrian to cross at grade with the sidewalk. In addition to their use on local and
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Raised Crosswalks: Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet (Report No. FHWA-SA-18-063). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49603
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Raised Crosswalks: Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet. Report no. FHWA-SA-18-063. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49603.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Raised Crosswalks: Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-063, ROSA P. https://rosap.ntl.bts.gov/view/dot/49603.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-06-01
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RRFBs are pedestrian-actuated conspicuous enhancements used in combination with a pedestrian, school, or trail crossing warning sign to improve safety at uncontrolled, marked crosswalks. The device includes two rectangular-shaped yellow indications, each with an LED-array-based light source, that flash with high frequency when activated.
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Rectangular Rapid-Flashing Beacon (RRFB): Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet (Report No. FHWA-SA-18-065). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49605
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Rectangular Rapid-Flashing Beacon (RRFB): Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet. Report no. FHWA-SA-18-065. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49605.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Rectangular Rapid-Flashing Beacon (RRFB): Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-065, ROSA P. https://rosap.ntl.bts.gov/view/dot/49605.
This guide includes information on how to review a noise study report and provides guidance on reviewing the noise section of the environmental document. It discusses other types of noise reports that may need review. The guide also included an associated noise study review checklist in Appendix A to determine if it provides all required informatio
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RSG, Inc., Bowlby and Associates, Inc., ATS Consulting, LLC, Environmental Acoustics, Inc., & Illingworth & Rodkin, Inc. (2018). Techniques for Reviewing Noise Analyses and Associated Noise Reports (Report No. FHWA-HEP-18-067). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54067
RSG, Inc., Bowlby and Associates, Inc., ATS Consulting, LLC, Environmental Acoustics, Inc., and Illingworth & Rodkin, Inc.. Techniques for Reviewing Noise Analyses and Associated Noise Reports. Report no. FHWA-HEP-18-067. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54067.
RSG, Inc., et al. Techniques for Reviewing Noise Analyses and Associated Noise Reports. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-18-067, ROSA P. https://rosap.ntl.bts.gov/view/dot/54067.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2018-06-01
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This document is a technical summary of the Federal Highway Administration Long-Term Pavement Performance Program report Investigation of Increase in Roughness Due to Environmental Factors in Flexible Pavements Using Profile Data From Long-Term Pavement Performance Specific Pavement Studies 1 Experiment (FHWA-HRT-17-049).
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2018). Investigation of Increase in Roughness Due to Environmental Factors in Flexible Pavements Using Profile Data From Long-Term Pavement Performance Specific Pavement Studies 1 Experiment [techbrief] (Report No. FHWA-HRT-17-120;HRDI-30/06-18(WEB)E). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/37540
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. Investigation of Increase in Roughness Due to Environmental Factors in Flexible Pavements Using Profile Data From Long-Term Pavement Performance Specific Pavement Studies 1 Experiment [techbrief]. Report no. FHWA-HRT-17-120;HRDI-30/06-18(WEB)E. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2018. https://rosap.ntl.bts.gov/view/dot/37540.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Investigation of Increase in Roughness Due to Environmental Factors in Flexible Pavements Using Profile Data From Long-Term Pavement Performance Specific Pavement Studies 1 Experiment [techbrief]. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2018, Report no. FHWA-HRT-17-120;HRDI-30/06-18(WEB)E, ROSA P. https://rosap.ntl.bts.gov/view/dot/37540.
Learning in Progress, NHI's quarterly newsletter, provides updates on new course launches, upcoming Web conference seminars, training programs and events, and NHI policy changes.
National Highway Institute (U.S.) (2018). Learning in Progress: Improving the Performance of the Transportation Industry Through Training - June 2018. National Highway Institute (U.S.). https://rosap.ntl.bts.gov/view/dot/54844
National Highway Institute (U.S.). Learning in Progress: Improving the Performance of the Transportation Industry Through Training - June 2018. National Highway Institute (U.S.), 2018. https://rosap.ntl.bts.gov/view/dot/54844.
National Highway Institute (U.S.) Learning in Progress: Improving the Performance of the Transportation Industry Through Training - June 2018. National Highway Institute (U.S.), 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/54844.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-06-01
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This guide serves as a quick reference source for common WIM topics. The guide provides sufficient technical details that enable traffic monitoring professionals to make sound decisions on WIM-related issues. It is built on states’ successful practices in using WIM systems and references the available standards 2 and guides related to WIM data coll
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2018). Weigh-in-Motion Pocket Guide: Part 1 - WIM Technology, Data Acquisition, and Procurement Guide (Report No. FHWA-PL-18-015). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/64907
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Weigh-in-Motion Pocket Guide: Part 1 - WIM Technology, Data Acquisition, and Procurement Guide. Report no. FHWA-PL-18-015. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018. https://rosap.ntl.bts.gov/view/dot/64907.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Weigh-in-Motion Pocket Guide: Part 1 - WIM Technology, Data Acquisition, and Procurement Guide. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018, Report no. FHWA-PL-18-015, ROSA P. https://rosap.ntl.bts.gov/view/dot/64907.
This handbook provides best-practice guidance on recognizing which measurement methodologies apply to which project type (Section 1.0), how to plan a noise measurement program (Section 2.0), descriptions of measurement methodologies and related considerations (Sections 3.0- 15.0), terminology (Section 16.0, Appendix A) and measurement instrumentati
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RSG, Inc. (2018). Noise Measurement Handbook (Report No. FHWA-HEP-18-065). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/63189
RSG, Inc.. Noise Measurement Handbook. Report no. FHWA-HEP-18-065. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/63189.
RSG, Inc. Noise Measurement Handbook. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-18-065, ROSA P. https://rosap.ntl.bts.gov/view/dot/63189.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-06-01
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A Pedestrian Hybrid Beacon head consists of two red lenses above a single yellow lens. Unlike a traffic signal, the PHB rests in dark until a pedestrian activates it via push button or other form of detection. When activated, the beacon displays a sequence of flashing and solid lights that indicate the pedestrian walk interval and when it is safe f
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Pedestrian Hybrid Beacon (PHB): Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet (Report No. FHWA-SA-18-064). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49604
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Pedestrian Hybrid Beacon (PHB): Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet. Report no. FHWA-SA-18-064. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49604.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Pedestrian Hybrid Beacon (PHB): Safe Transportation for Every Pedestrian: Countermeasure Tech Sheet. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-064, ROSA P. https://rosap.ntl.bts.gov/view/dot/49604.
This evaluation assesses the effects of the Federal Highway Administration’s (FHWA’s) investment in roundabout research and related activities on the availability and quality of such research, the adoption of roundabouts in the United States, and the impacts of those roundabouts on safety, operational, and environmental performance of the U.S. tran
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Badgley, J., Condon, J., Rainville, L., & Li, D. (2018). FHWA Research and Technology Evaluation: Roundabout Research Final Report (Report No. FHWA-HRT-17-040;DOT-VNTSC-FHWA-18-15). United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation. https://rosap.ntl.bts.gov/view/dot/36189
Badgley, J.M., Joseph Condon, Lydia Rainville, and Daniel Li. FHWA Research and Technology Evaluation: Roundabout Research Final Report. Report no. FHWA-HRT-17-040;DOT-VNTSC-FHWA-18-15. United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation, 2018. https://rosap.ntl.bts.gov/view/dot/36189.
Badgley, J.M., et al. FHWA Research and Technology Evaluation: Roundabout Research Final Report. United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation, 2018, Report no. FHWA-HRT-17-040;DOT-VNTSC-FHWA-18-15, ROSA P. https://rosap.ntl.bts.gov/view/dot/36189.
This publication is a handbook designed to provide information on how to conduct a community impact assessment in order to evaluate the effects of a transportation action on a community and its quality of life. The handbook is intended to help state DOTs, MPOs and other agencies or individuals involved in the project development process understand
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Supporting Files
Grant, M., Morris, A., Strum-Gilliam, T., & Brown, L. (2018). Community Impact Assessment: A Quick Reference for Transportation [2018 Update] (Report No. FHWA-HEP-18-055). Federal Highway Administration (U.S.). https://rosap.ntl.bts.gov/view/dot/50870
Grant, Michael, Anne Morris, Traceé Strum-Gilliam, and Les Brown. Community Impact Assessment: A Quick Reference for Transportation [2018 Update]. Report no. FHWA-HEP-18-055. Federal Highway Administration (U.S.), 2018. https://rosap.ntl.bts.gov/view/dot/50870.
Grant, Michael, et al. Community Impact Assessment: A Quick Reference for Transportation [2018 Update]. Federal Highway Administration (U.S.), 2018, Report no. FHWA-HEP-18-055, ROSA P. https://rosap.ntl.bts.gov/view/dot/50870.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-06-01
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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 (2018). Traffic Volume Trends: June 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50054
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: June 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018. https://rosap.ntl.bts.gov/view/dot/50054.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: June 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/50054.
United States. Federal Highway Administration (2018). FHWA National Dialogue on Highway Automation Planning and Policy Workshop. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54270
United States. Federal Highway Administration. FHWA National Dialogue on Highway Automation Planning and Policy Workshop. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54270.
United States. Federal Highway Administration FHWA National Dialogue on Highway Automation Planning and Policy Workshop. United States. Federal Highway Administration, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/54270.
Why are we here today? Kick off the National Dialogue on Highway Automation. Collaborate with key stakeholders on topics of mutual interest. Identify FHWA roles and responsibilities to assist in the advancement of highway automation. Seek opportunities for partnership.
United States. Federal Highway Administration (2018). FHWA National Dialogue on Highway Automation Launch Workshop. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54314
United States. Federal Highway Administration. FHWA National Dialogue on Highway Automation Launch Workshop. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54314.
United States. Federal Highway Administration FHWA National Dialogue on Highway Automation Launch Workshop. United States. Federal Highway Administration, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/54314.
Great Bay Boulevard, located on the Tuckerton Peninsula in Ocean County, NJ, is a coastal roadway experiencing increased closures due to flood events. The project team explored the use of green infrastructure solutions that could simultaneously mitigate future roadway flooding and maintain marsh health over time. Thin layer placement of sediment co
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McKenna, K., DiCosmo, N., Greenfeld, B., Gebert, J., & Jensen, H. (2018). Quantification of Flood Event Forcing and the Impact of Natural Wetland Systems: Great Bay Boulevard, Ocean County, New Jersey (Report No. FHWA-HEP-18-069). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/58163
McKenna, Kim, Nick DiCosmo, Bari Greenfeld, Jeff Gebert, and Heather Jensen. Quantification of Flood Event Forcing and the Impact of Natural Wetland Systems: Great Bay Boulevard, Ocean County, New Jersey. Report no. FHWA-HEP-18-069. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/58163.
McKenna, Kim, et al. Quantification of Flood Event Forcing and the Impact of Natural Wetland Systems: Great Bay Boulevard, Ocean County, New Jersey. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-18-069, ROSA P. https://rosap.ntl.bts.gov/view/dot/58163.
United States. Department of Transportation. Federal Highway Administration
2018-06-01
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The South Carolina Department of Transportation (SCDOT) has implemented several technologies to support its e-Construction and partnering initiatives, including use of laptop computers and tablets for electronic daily reports and electronic document management for contract administration and field operations. The SCDOT requested to participate in a
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United States. Department of Transportation. Federal Highway Administration (2018). e-Construction and Partnering: A Vision for the Future - Peer-to-Peer Exchange: Arkansas and South Carolina Departments of Transportation (Report No. FHWA-HIF-18-052). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/92260
United States. Department of Transportation. Federal Highway Administration. e-Construction and Partnering: A Vision for the Future - Peer-to-Peer Exchange: Arkansas and South Carolina Departments of Transportation. Report no. FHWA-HIF-18-052. United States. Department of Transportation. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/92260.
United States. Department of Transportation. Federal Highway Administration e-Construction and Partnering: A Vision for the Future - Peer-to-Peer Exchange: Arkansas and South Carolina Departments of Transportation. United States. Department of Transportation. Federal Highway Administration, 2018, Report no. FHWA-HIF-18-052, ROSA P. https://rosap.ntl.bts.gov/view/dot/92260.
This Comprehensive Maintenance and Operations Plan (CMOP) describes the types and number of equipment to be operated and maintained for the proposed New York City (NYC) Connected Vehicle Pilot Deployment (CVPD) system. Its objective is to develop a plan for the operations and maintenance of in-vehicle, roadside, mobile device, center-related equipm
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Talas, M., Rausch, R., Benevelli, D., Barhoum, N., & Sim, S. (2018). Connected Vehicle Pilot Deployment Program Phase 2 : Comprehensive Maintenance and Operations Plan - New York City (Report No. FHWA-JPO-17-457). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/36051
Talas, Mohamad, Robert Rausch, David Benevelli, Nader Barhoum, and Samuel Sim. Connected Vehicle Pilot Deployment Program Phase 2 : Comprehensive Maintenance and Operations Plan - New York City. Report no. FHWA-JPO-17-457. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2018. https://rosap.ntl.bts.gov/view/dot/36051.
Talas, Mohamad, et al. Connected Vehicle Pilot Deployment Program Phase 2 : Comprehensive Maintenance and Operations Plan - New York City. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2018, Report no. FHWA-JPO-17-457, ROSA P. https://rosap.ntl.bts.gov/view/dot/36051.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2018-05-31
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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 (2018). Human Environment Digest: May 31, 2018. United States. Federal Highway Administration. Office of Planning, Environment, and Realty. https://rosap.ntl.bts.gov/view/dot/55019
United States. Federal Highway Administration. Office of Planning, Environment, and Realty. Human Environment Digest: May 31, 2018. United States. Federal Highway Administration. Office of Planning, Environment, and Realty, 2018. https://rosap.ntl.bts.gov/view/dot/55019.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty Human Environment Digest: May 31, 2018. United States. Federal Highway Administration. Office of Planning, Environment, and Realty, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/55019.
This report summarizes the analysis methodology, results, and lessons learned from the deployment of the Enhanced Cross-Town Improvement Project (C-TIP) Drayage Optimization Proof of Concept Application. The system was deployed in the Los Angeles/Long Beach (California) area to five licensed motor carriers. The objective of the project was to provi
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Mollaghasemi, M., & Zavagnini, F. (2018). Enhancement Of Cross-Town Improvement Project (C-Tip) Drayage Optimization Proof Of Concept - Los Angeles/Long Beach, California (Report No. FHWA-JPO-18-676). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/36242
Mollaghasemi, Mansooreh and Fabio Zavagnini. Enhancement Of Cross-Town Improvement Project (C-Tip) Drayage Optimization Proof Of Concept - Los Angeles/Long Beach, California. Report no. FHWA-JPO-18-676. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2018. https://rosap.ntl.bts.gov/view/dot/36242.
Mollaghasemi, Mansooreh, and Fabio Zavagnini Enhancement Of Cross-Town Improvement Project (C-Tip) Drayage Optimization Proof Of Concept - Los Angeles/Long Beach, California. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2018, Report no. FHWA-JPO-18-676, ROSA P. https://rosap.ntl.bts.gov/view/dot/36242.
We are pleased to provide updated guidance to help FHWA division offices implement key funds management principles. The attached guide summarizes current statutes, regulations, and policies for project funds management with a supplemental question and answer document. Also attached is a list of recommended documents that should be maintained by the
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Bezio, B. R. (2018). Information: Project Funds Management Guide for State Grants Update. United States. Department of Transportation. Federal Highway Policy & Guidance Center. https://rosap.ntl.bts.gov/view/dot/77939
Bezio, Brian R.. Information: Project Funds Management Guide for State Grants Update. United States. Department of Transportation. Federal Highway Policy & Guidance Center, 2018. https://rosap.ntl.bts.gov/view/dot/77939.
Bezio, Brian R. Information: Project Funds Management Guide for State Grants Update. United States. Department of Transportation. Federal Highway Policy & Guidance Center, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/77939.
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