This report summarizes work performed under contract #DTFH6117C0001 toward the development of PedPal, a prototype mobile (smartphone) app designed to assist pedestrians with disabilities when crossing the street at signalized intersections. PedPal interacts directly with the traffic signal system controlling the intersection to communicate both cro
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Smith, S. F., Rubinstein, Z. B., Dias, B., Marousek, J., Sarkhili, S., Ashqar, H., Farber, M., Lodato, D., & Harper, C. (2019). Connecting Pedestrians with Disabilities to Adaptive Signal Control for Safe Intersection Crossing and Enhanced Mobility: Final Report [2019] (Report No. FHWA-JPO-19-754). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/50548
Smith, Stephen F., Zachary B. Rubinstein, Bernardine Dias, Jim Marousek, Sara Sarkhili, Huthaifa Ashqar, Maurice Farber, Diego Lodato, and Corey Harper. Connecting Pedestrians with Disabilities to Adaptive Signal Control for Safe Intersection Crossing and Enhanced Mobility: Final Report [2019]. Report no. FHWA-JPO-19-754. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019. https://rosap.ntl.bts.gov/view/dot/50548.
Smith, Stephen F., et al. Connecting Pedestrians with Disabilities to Adaptive Signal Control for Safe Intersection Crossing and Enhanced Mobility: Final Report [2019]. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019, Report no. FHWA-JPO-19-754, ROSA P. https://rosap.ntl.bts.gov/view/dot/50548.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2019-09-01
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Urban Congestion Report (UCR)
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PDF
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 (2019). Urban Congestion Report (UCR): A Snapshot of Year-to-Year Congestion Trends in the U.S. for July through September 2019. United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/50607
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Urban Congestion Report (UCR): A Snapshot of Year-to-Year Congestion Trends in the U.S. for July through September 2019. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2019. https://rosap.ntl.bts.gov/view/dot/50607.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Urban Congestion Report (UCR): A Snapshot of Year-to-Year Congestion Trends in the U.S. for July through September 2019. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/50607.
This handbook presents a methodology that will aid highway asset owners and maintenance personnel with determining what assets, beyond pavements and bridges, are most important to support their agencies' missions and goals. The methodology prioritizes asset classes and identifies data related to those assets that best support a performance-based ap
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Allen, B. W., Ram, P., Koonce, J., Raj, D., Burns, S., Zimmerman, K. A., Smadi, O. G., & Mugabe, K. (2019). Handbook for Including Ancillary Assets Transportation Asset Management Programs (Report No. FHWA-HIF-19-068). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/48736
Allen, Brad W., Prashant Ram, J. Koonce, Dhooli Raj, Stan Burns, Kathryn A Zimmerman, Omar G. Smadi, and Kundayi Mugabe. Handbook for Including Ancillary Assets Transportation Asset Management Programs. Report no. FHWA-HIF-19-068. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019. https://rosap.ntl.bts.gov/view/dot/48736.
Allen, Brad W., et al. Handbook for Including Ancillary Assets Transportation Asset Management Programs. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019, Report no. FHWA-HIF-19-068, ROSA P. https://rosap.ntl.bts.gov/view/dot/48736.
The Boston Central Artery/Tunnel Project, also known as the “Big Dig,” replaced the Interstate 93 viaduct in downtown Boston with a higher-capacity tunnel. On the surface, the project included a 1.5-mile-long park that is flanked by boulevards. The tunnel was created in response to traffic congestion and an inner city revitalization plan that sough
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United States. Federal Highway Administration (2019). Economic Development and Highway Right-Sizing: Elevated Freeway to Tunnel Right-Sizing. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54195
United States. Federal Highway Administration. Economic Development and Highway Right-Sizing: Elevated Freeway to Tunnel Right-Sizing. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/54195.
United States. Federal Highway Administration Economic Development and Highway Right-Sizing: Elevated Freeway to Tunnel Right-Sizing. United States. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/54195.
United States. Federal Highway Administration. Office of Bridges and Structures (2019). Fatigue Resistant Rib-to-Floor Beam Connections for Orthotropic Steel Decks with Potential for Automated Fabrication [techbrief] (Report No. FHWA-HIF-19-102). United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/42927
United States. Federal Highway Administration. Office of Bridges and Structures. Fatigue Resistant Rib-to-Floor Beam Connections for Orthotropic Steel Decks with Potential for Automated Fabrication [techbrief]. Report no. FHWA-HIF-19-102. United States. Federal Highway Administration. Office of Bridges and Structures, 2019. https://rosap.ntl.bts.gov/view/dot/42927.
United States. Federal Highway Administration. Office of Bridges and Structures Fatigue Resistant Rib-to-Floor Beam Connections for Orthotropic Steel Decks with Potential for Automated Fabrication [techbrief]. United States. Federal Highway Administration. Office of Bridges and Structures, 2019, Report no. FHWA-HIF-19-102, ROSA P. https://rosap.ntl.bts.gov/view/dot/42927.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-09-01
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FHWA R&T Now
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Federal Highway Administration's FHWA R&T Now is a newsletter containing information and updates about research, technology, and development from the U.S. Department of Transportation, Federal Highway Administration. The newsletter is an electronic newsletter and is updated approximately every other month.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2019). FHWA R&T Now - September/October 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/44304
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. FHWA R&T Now - September/October 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019. https://rosap.ntl.bts.gov/view/dot/44304.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology FHWA R&T Now - September/October 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/44304.
This report summarizes proceedings of an Automated Vehicle (AV) modeling peer exchange sponsored by the Federal Highway Administration (FHWA) and hosted by the Maricopa Association of Governments in Phoenix, AZ, on June 27, 2019. The purpose of the peer exchange was to discuss the potential impacts of emerging technologies, such as AVs, on the long
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McBrien, R. S. (2019). Automated Vehicle Modeling Peer Exchange: A TPCB Peer Exchange Event (Report No. DOT-VNTSC_FHWA-19-25;FHWA-HEP-20-006). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/50546
McBrien, Rachel Strauss. Automated Vehicle Modeling Peer Exchange: A TPCB Peer Exchange Event. Report no. DOT-VNTSC_FHWA-19-25;FHWA-HEP-20-006. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/50546.
McBrien, Rachel Strauss Automated Vehicle Modeling Peer Exchange: A TPCB Peer Exchange Event. United States. Federal Highway Administration, 2019, Report no. DOT-VNTSC_FHWA-19-25;FHWA-HEP-20-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/50546.
Cybersecurity is a growing concern worldwide. Over the past several years, much focus has been placed on critical infrastructure providers and their ability to implement cybersecurity in order to continue providing critical services. Traffic Management Centers (TMCs) and Intelligent Transportation Systems (ITS) infrastructure leverage modern commun
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Toppen, A., Chambers, J., Ciccarelli, A., Gomez-Martin, L., Daywalt, C., & Berger, K. (2019). Transportation Management Center Information Technology Security (Report No. FHWA-HOP-19-059). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/43596
Toppen, Alan, Jon Chambers, Armand Ciccarelli, Laura Gomez-Martin, Chris Daywalt, and Kodi Berger. Transportation Management Center Information Technology Security. Report no. FHWA-HOP-19-059. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2019. https://rosap.ntl.bts.gov/view/dot/43596.
Toppen, Alan, et al. Transportation Management Center Information Technology Security. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2019, Report no. FHWA-HOP-19-059, ROSA P. https://rosap.ntl.bts.gov/view/dot/43596.
The Central Freeway Project in San Francisco arose from public efforts to remove and rehabilitate a portion of the two-deck, 40- foot-high freeway to improve connectivity and livability in the Hayes Valley neighborhood. The freeway was a barrier separating the more upscale west side of the neighborhood from the lower income east side. Furthermore,
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United States. Federal Highway Administration (2019). Economic Development and Highway Right-Sizing: Elevated Freeway to Boulevard Right-Sizing. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54175
United States. Federal Highway Administration. Economic Development and Highway Right-Sizing: Elevated Freeway to Boulevard Right-Sizing. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/54175.
United States. Federal Highway Administration Economic Development and Highway Right-Sizing: Elevated Freeway to Boulevard Right-Sizing. United States. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/54175.
The Federal Highway Administration's Road Weather Management Program (RWMP) assesses its progress toward meeting programmatic objectives through established performance measures. Assessments have been completed and documented in 2009, 2012, 2015, and 2017, and this update is the next iteration of this periodic review. This report provides a concise
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Gopalakrishna, D., & Gestwick, T. (2019). 2019 Road Weather Management Performance Measures Update (Report No. FHWA-HOP-19-089). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43594
Gopalakrishna, Deepak and Taylor Gestwick. 2019 Road Weather Management Performance Measures Update. Report no. FHWA-HOP-19-089. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43594.
Gopalakrishna, Deepak, and Taylor Gestwick 2019 Road Weather Management Performance Measures Update. United States. Federal Highway Administration, 2019, Report no. FHWA-HOP-19-089, ROSA P. https://rosap.ntl.bts.gov/view/dot/43594.
This Executive Overview highlights the contents of the reference manual developed for a FHWA/NHI training course on pavement preventive maintenance. Preventive maintenance, often summed up as "applying the right treatment to the right pavement at the right time," is becoming increasingly popular in highway agencies interested in overall pavement pr
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Peshkin, D. G., Smith, K. D., Zimmerman, K. A., & Geoffroy, D. (2019). Pavement Preservation: The Preventive Maintenance Concept, Executive Overview (Report No. FHWA-HI-00-006). United States. Federal Highway Administration. Office of Acquisition Management. https://rosap.ntl.bts.gov/view/dot/58177
Peshkin, David G., Kurt D. Smith, Kathryn A Zimmerman, and Donald Geoffroy. Pavement Preservation: The Preventive Maintenance Concept, Executive Overview. Report no. FHWA-HI-00-006. United States. Federal Highway Administration. Office of Acquisition Management, 2019. https://rosap.ntl.bts.gov/view/dot/58177.
Peshkin, David G., et al. Pavement Preservation: The Preventive Maintenance Concept, Executive Overview. United States. Federal Highway Administration. Office of Acquisition Management, 2019, Report no. FHWA-HI-00-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/58177.
This report highlights key recommendations and noteworthy practices identified from the Building out the 2.0 Bicycle Network peer exchange held in Washington DC on April 10-11, 2019. The peer exchange focused on traditional and emerging methods of bicycle planning analysis and implementation, with an emphasis on bicycle level of traffic stress (LTS
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Chiarenza, J. (2019). Emerging Methods in Analysis and Implementation: Building out the 2.0 Bicycle Network (Report No. DOT-VNTSC-FHWA-20-01;FHWA-HEP-19-045). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/50544
Chiarenza, Jonah. Emerging Methods in Analysis and Implementation: Building out the 2.0 Bicycle Network. Report no. DOT-VNTSC-FHWA-20-01;FHWA-HEP-19-045. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/50544.
Chiarenza, Jonah Emerging Methods in Analysis and Implementation: Building out the 2.0 Bicycle Network. United States. Federal Highway Administration, 2019, Report no. DOT-VNTSC-FHWA-20-01;FHWA-HEP-19-045, ROSA P. https://rosap.ntl.bts.gov/view/dot/50544.
A turbo roundabout has the same general operating characteristics as modern roundabouts but utilizes notably different geometrics to address conflicts associated with common crash types in multilane roundabouts. International experience suggests turbo roundabouts are adaptable to the U.S. context, providing an effective roundabout solution for high
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Porter, R. J., Gooch, J., Chestnutt, C., Moore, B., Broeren, P., & Tigelaar, J. (2019). Advancing Turbo Roundabouts in the United States: Synthesis Report (Report No. FHWA-SA-19-027). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/88316
Porter, Richard J., Jeff Gooch, Catherine Chestnutt, B. Moore, P. Broeren, and J. Tigelaar. Advancing Turbo Roundabouts in the United States: Synthesis Report. Report no. FHWA-SA-19-027. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019. https://rosap.ntl.bts.gov/view/dot/88316.
Porter, Richard J., et al. Advancing Turbo Roundabouts in the United States: Synthesis Report. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019, Report no. FHWA-SA-19-027, ROSA P. https://rosap.ntl.bts.gov/view/dot/88316.
United States. Federal Highway Administration. Office of Natural Environment
2019-09-01
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PDF
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: September/October 2019 (Report No. FHWA-HEP-20-007). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/49113
United States. Federal Highway Administration. Office of Natural Environment. Air Quality and Sustainable Transportation Highlights: September/October 2019. Report no. FHWA-HEP-20-007. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2019. https://rosap.ntl.bts.gov/view/dot/49113.
United States. Federal Highway Administration. Office of Natural Environment Air Quality and Sustainable Transportation Highlights: September/October 2019. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2019, Report no. FHWA-HEP-20-007, ROSA P. https://rosap.ntl.bts.gov/view/dot/49113.
The on-road activity calculator is a tool that was designed to help calculate specific activity values for the diesel retrofit and repower/replacement tools based on aggregate activity data. Please use this tool if the following circumstance applies: You have more than one piece of activity data, none of which are specific to the desired vehicle ty
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Supporting Files
Federal Highway Administration (U.S.) (2019). CMAQ Emissions Calculator Toolkit: On-Road Activity Calculator. Federal Highway Administration (U.S.). https://rosap.ntl.bts.gov/view/dot/53727
Federal Highway Administration (U.S.). CMAQ Emissions Calculator Toolkit: On-Road Activity Calculator. Federal Highway Administration (U.S.), 2019. https://rosap.ntl.bts.gov/view/dot/53727.
Federal Highway Administration (U.S.) CMAQ Emissions Calculator Toolkit: On-Road Activity Calculator. Federal Highway Administration (U.S.), 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/53727.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-09-01
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PDF
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: September 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50069
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: September 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019. https://rosap.ntl.bts.gov/view/dot/50069.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: September 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/50069.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-09-01
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Public Roads
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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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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2019). Public Roads: Autumn 2019 (Report No. FHWA-HRT-20-001). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/49180
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. Public Roads: Autumn 2019. Report no. FHWA-HRT-20-001. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019. https://rosap.ntl.bts.gov/view/dot/49180.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Public Roads: Autumn 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019, Report no. FHWA-HRT-20-001, ROSA P. https://rosap.ntl.bts.gov/view/dot/49180.
The United States Department of Transportation (USDOT) recognizes that cooperative automated driving systems will have a transformative impact on how the nation’s highways will operate in the future. One of the proposed near-term services is truck platooning. Truck platooning promises fuel savings to platooning trucks by enabling them to follow eac
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Asare, S., Chang, J., & Staples, B. L. (2019). Truck Platooning Early Deployment – Independent Evaluation: Requirements for Performance Measures (Report No. FHWA-JPO-19-773). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/43724
Asare, Sampson, James Chang, and Barbara L. Staples. Truck Platooning Early Deployment – Independent Evaluation: Requirements for Performance Measures. Report no. FHWA-JPO-19-773. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019. https://rosap.ntl.bts.gov/view/dot/43724.
Asare, Sampson, et al. Truck Platooning Early Deployment – Independent Evaluation: Requirements for Performance Measures. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019, Report no. FHWA-JPO-19-773, ROSA P. https://rosap.ntl.bts.gov/view/dot/43724.
The sinkhole associated with the Napoleonville salt dome in Assumption Parish, Louisiana, near Bayou Corne, threatened the stability of Highway 70–a state-maintained route. In order to mitigate any potential damaging effects to the highway and address issues of public safety, a program of monitoring, decision support, and research was implemented t
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Kent, J. D., & Cavell, A. (2019). CORS 911: Continuously Operating Reference Stations for the Bayou Corne Sinkhole (Report No. FHWA/LA.18/610). Louisiana. Department of Transportation and Development. https://rosap.ntl.bts.gov/view/dot/61315
Kent, Joshua D. and Anthony Cavell. CORS 911: Continuously Operating Reference Stations for the Bayou Corne Sinkhole. Report no. FHWA/LA.18/610. Louisiana. Department of Transportation and Development, 2019. https://rosap.ntl.bts.gov/view/dot/61315.
Kent, Joshua D., and Anthony Cavell CORS 911: Continuously Operating Reference Stations for the Bayou Corne Sinkhole. Louisiana. Department of Transportation and Development, 2019, Report no. FHWA/LA.18/610, ROSA P. https://rosap.ntl.bts.gov/view/dot/61315.
United States. Federal Highway Administration. Center for Accelerating Innovation
2019-09-01
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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 - September/October 2019 - Volume 13, Issue 74 (Report No. FHWA-19-CAI-014). United States. Federal Highway Administration. Center for Accelerating Innovation. https://rosap.ntl.bts.gov/view/dot/43986
United States. Federal Highway Administration. Center for Accelerating Innovation. Innovator - September/October 2019 - Volume 13, Issue 74. Report no. FHWA-19-CAI-014. United States. Federal Highway Administration. Center for Accelerating Innovation, 2019. https://rosap.ntl.bts.gov/view/dot/43986.
United States. Federal Highway Administration. Center for Accelerating Innovation Innovator - September/October 2019 - Volume 13, Issue 74. United States. Federal Highway Administration. Center for Accelerating Innovation, 2019, Report no. FHWA-19-CAI-014, ROSA P. https://rosap.ntl.bts.gov/view/dot/43986.
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