United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure
2023-03-01
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Railroads often require flaggers to be present during construction projects that are within or near a railroad right-of way. Specially certified railroad flaggers hold trains clear of the work limits, communicate with the train operators or railroad companies, and communicate with the construction crews. They may receive training on the rules of th
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure (2023). When Road Construction Meets the Railroad: Flagging Coordination Practices (Report No. FHWA-HIF-23-037). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/71839
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. When Road Construction Meets the Railroad: Flagging Coordination Practices. Report no. FHWA-HIF-23-037. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2023. https://rosap.ntl.bts.gov/view/dot/71839.
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure When Road Construction Meets the Railroad: Flagging Coordination Practices. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2023, Report no. FHWA-HIF-23-037, ROSA P. https://rosap.ntl.bts.gov/view/dot/71839.
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment
2023-03-01
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Air Quality + Sustainable Transportation Highlights
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This brief newsletter keeps transportation stakeholders up-to-date on various issues related to transportation and climate change.
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment (2023). Air Quality + Sustainable Transportation Highlights: March/April 2023 (Report No. FHWA-HEP-23-038). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/77009
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. Air Quality + Sustainable Transportation Highlights: March/April 2023. Report no. FHWA-HEP-23-038. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2023. https://rosap.ntl.bts.gov/view/dot/77009.
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment Air Quality + Sustainable Transportation Highlights: March/April 2023. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2023, Report no. FHWA-HEP-23-038, ROSA P. https://rosap.ntl.bts.gov/view/dot/77009.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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Transportation agencies have increasingly pursued the application of TSMO strategies to optimize the performance of the existing transportation system and provide lower cost and more sustainable solutions than traditional transportation infrastructure projects that add lanes to meet safety, mobility, and reliability challenges. An emphasis on trans
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Linking Transportation Systems Management and Operations (TSMO) and Transportation Equity (Report No. FHWA-HOP-23-38). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/67033
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Linking Transportation Systems Management and Operations (TSMO) and Transportation Equity. Report no. FHWA-HOP-23-38. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/67033.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Linking Transportation Systems Management and Operations (TSMO) and Transportation Equity. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-23-38, ROSA P. https://rosap.ntl.bts.gov/view/dot/67033.
The ability to exchange electronic messages with mobile devices in realtime can to improve travel safety, mobility, and the experience for users of the surface transportation systems. Intelligent transportation system devices and traffic management systems using information derived from electronic messages travelers, vehicles, and other sources agr
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Smith, T., Toth, C., & Timcho, T. (2023). Sharing and Using Connected Device Data to Improve Traveler Safety and Traffic Management—Concept of Operations, Use Cases, Traveler Information Needs, Messages, and Requirements (Report No. FHWA-HRT-23-030). United States. Federal Highway Administration. Office of Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/67030
Smith, Theodore, Chris Toth, and Tom Timcho. Sharing and Using Connected Device Data to Improve Traveler Safety and Traffic Management—Concept of Operations, Use Cases, Traveler Information Needs, Messages, and Requirements. Report no. FHWA-HRT-23-030. United States. Federal Highway Administration. Office of Operations Research and Development, 2023. https://rosap.ntl.bts.gov/view/dot/67030.
Smith, Theodore, et al. Sharing and Using Connected Device Data to Improve Traveler Safety and Traffic Management—Concept of Operations, Use Cases, Traveler Information Needs, Messages, and Requirements. United States. Federal Highway Administration. Office of Operations Research and Development, 2023, Report no. FHWA-HRT-23-030, ROSA P. https://rosap.ntl.bts.gov/view/dot/67030.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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Transportation systems management and operations (TSMO) has been proven to help agencies deliver cost effective strategies that mitigate transportation issues, such as congestion, travel time, reliability, lost productivity, and safety, among others. Since State transportation agencies have historically prioritized projects that expand roadway capa
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Mainstreaming TSMO with a TSMO Business Case (Report No. FHWA-HOP-23-015). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/67703
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Mainstreaming TSMO with a TSMO Business Case. Report no. FHWA-HOP-23-015. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/67703.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Mainstreaming TSMO with a TSMO Business Case. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-23-015, ROSA P. https://rosap.ntl.bts.gov/view/dot/67703.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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The Arizona Department of Transportation’s (ADOT’s) vision is for the State “to become the most reliable transportation system in the Nation.” In support of its vision, ADOT’s first strategic priority is to implement effective safety countermeasures to promote safe road user behaviors and reduce roadway crashes in high-risk areas. ADOT has a strong
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Connecting Transportation Operations and Safety in Arizona (Report No. FHWA-HOP-22-082). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/70447
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Connecting Transportation Operations and Safety in Arizona. Report no. FHWA-HOP-22-082. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/70447.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Connecting Transportation Operations and Safety in Arizona. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-22-082, ROSA P. https://rosap.ntl.bts.gov/view/dot/70447.
United States. Department of Transportation. Federal Highway Administration
2023-03-01
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The Federal Highway Administration (FHWA) sponsored a four-hour interactive workshop on Elevating Equity through Spatial Analysis and Visualization at the American Association of State Highway and Transportation Officials’ (AASHTO) 2022 Geographic Information Systems for Transportation (GIS-T) Symposium. The purpose of the workshop was to present a
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United States. Department of Transportation. Federal Highway Administration (2023). AASHTO GIS-T Symposium 2022 FHWA Elevating Equity Workshop Proceedings Report. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/67102
United States. Department of Transportation. Federal Highway Administration. AASHTO GIS-T Symposium 2022 FHWA Elevating Equity Workshop Proceedings Report. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/67102.
United States. Department of Transportation. Federal Highway Administration AASHTO GIS-T Symposium 2022 FHWA Elevating Equity Workshop Proceedings Report. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/67102.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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This case study highlights practices in making the business case for transportation systems management and operations (TSMO) at several State departments of transportation (DOTs). DOTs have developed a TSMO business case to help leaders, managers, technical professionals, stakeholders, and partners understand how TSMO can support and advance a DOT’
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Mainstreaming TSMO: Making the Business Case (Report No. FHWA-HOP-23-022). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/67686
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Mainstreaming TSMO: Making the Business Case. Report no. FHWA-HOP-23-022. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/67686.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Mainstreaming TSMO: Making the Business Case. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-23-022, ROSA P. https://rosap.ntl.bts.gov/view/dot/67686.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-03-01
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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 (2023). Traffic Volume Trends: March 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/67358
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: March 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023. https://rosap.ntl.bts.gov/view/dot/67358.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: March 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/67358.
For the Federal Highway Administration (FHWA), resilience, with respect to a project, means a project with the ability to anticipate, prepare for, and or adapt to changing conditions and or withstand, respond to, and or recover rapidly from disruptions. This includes the ability: (A) to resist hazards or withstand impacts from weather events and na
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Muench, S., Van Dam, T., Ram, P., & Smith, K. (2023). Pavement Resilience: State of the Practice (Report No. FHWA-HIF-23-006). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/67441
Muench, Steve, Tom Van Dam, Prashant Ram, and Kurt Smith. Pavement Resilience: State of the Practice. Report no. FHWA-HIF-23-006. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/67441.
Muench, Steve, et al. Pavement Resilience: State of the Practice. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HIF-23-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/67441.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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This case study highlights examples from departments of transportation (DOTs) that have incorporated transportation systems management and operations (TSMO) policies and processes into all phases of the project lifecycle. The examples focus on the integration of TSMO strategies and considerations into project development, design, construction, and
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Mainstreaming TSMO Throughout the Project Lifecycle Phases (Report No. FHWA-HOP-23-019). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/67684
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Mainstreaming TSMO Throughout the Project Lifecycle Phases. Report no. FHWA-HOP-23-019. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/67684.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Mainstreaming TSMO Throughout the Project Lifecycle Phases. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-23-019, ROSA P. https://rosap.ntl.bts.gov/view/dot/67684.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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This case study highlights effective communication strategies within departments of transportation (DOTs) to mainstream transportation systems management and operations (TSMO). It provides examples of practices to support recognition of TSMO, build acceptance, and integrate TSMO across agency functions.
United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Communication Strategies for Mainstreaming TSMO (Report No. FHWA-HOP-23-020). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/67683
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Communication Strategies for Mainstreaming TSMO. Report no. FHWA-HOP-23-020. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/67683.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Communication Strategies for Mainstreaming TSMO. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-23-020, ROSA P. https://rosap.ntl.bts.gov/view/dot/67683.
The goal of this white paper is to help transportation agencies develop an effective business case to show the value of transportation systems management and operations (TSMO) and support efforts to mainstream TSMO in their agencies. It identifies the role of a business case in mainstreaming TSMO, discusses how to evaluate the effectiveness of a TS
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Noyes, P., Bauer, J., Smith, M. C., & Georgi, K. (2023). The Value of a Business Case in Mainstreaming Transportation Management and Operations (Report No. FHWA-HOP-21-045). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/67673
Noyes, Pat, Jocelyn Bauer, Michael C. Smith, and Kayce Georgi. The Value of a Business Case in Mainstreaming Transportation Management and Operations. Report no. FHWA-HOP-21-045. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/67673.
Noyes, Pat, et al. The Value of a Business Case in Mainstreaming Transportation Management and Operations. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HOP-21-045, ROSA P. https://rosap.ntl.bts.gov/view/dot/67673.
This TechBrief discusses how complex interchanges with multiple exit lanes, including an option lane, can be confusing to navigate. Roadway signs provide navigational, lane assignment, and roadway geometry information that explain complex interchanges to drivers. Well-designed roadway signs help drivers make timely and accurate decisions. Signs tha
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Ahmed, A., Weaver, S., Chao, S. F., & Marchese, M. (2023). Evaluation of Additional Alternatives of, and Arrow Sizes for, Overhead Arrow-Per-Lane Guide Signs [techbrief] (Report No. FHWA-HRT-23-036). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/67028
Ahmed, Ananna, Starla Weaver, Szu-Fu Chao, and Matthew Marchese. Evaluation of Additional Alternatives of, and Arrow Sizes for, Overhead Arrow-Per-Lane Guide Signs [techbrief]. Report no. FHWA-HRT-23-036. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2023. https://rosap.ntl.bts.gov/view/dot/67028.
Ahmed, Ananna, et al. Evaluation of Additional Alternatives of, and Arrow Sizes for, Overhead Arrow-Per-Lane Guide Signs [techbrief]. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2023, Report no. FHWA-HRT-23-036, ROSA P. https://rosap.ntl.bts.gov/view/dot/67028.
This user guide is intended for use alongside the Federal Highway Administration (FHWA) report Safety Comparisons Between Interchange Types (forthcoming) and the spreadsheet tool FHWA Interchange Configuration Safety Comparison Tool. (1,2) This user guide provides an overview of the data needs and workflow for using the spreadsheet tool. Additional
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Himes, S., Arnold, S., Gayah, V. V., & O'Connor, G. (2023). Interchange Comparison Safety Tool User Guide (Report No. FHWA-HRT-23-041). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/66796
Himes, Scott, Samantha Arnold, Vikash V. Gayah, and Ginny O'Connor. Interchange Comparison Safety Tool User Guide. Report no. FHWA-HRT-23-041. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2023. https://rosap.ntl.bts.gov/view/dot/66796.
Himes, Scott, et al. Interchange Comparison Safety Tool User Guide. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2023, Report no. FHWA-HRT-23-041, ROSA P. https://rosap.ntl.bts.gov/view/dot/66796.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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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 (2023). Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for January through March 2023. United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/87757
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for January through March 2023. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/87757.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for January through March 2023. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/87757.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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Operations strategies aim to optimize the movement of people and goods across the transportation system. Operations includes all modes of travel and often requires multijurisdictional and interagency collaboration throughout planning, project development, and deployment. While often considered tools for decreasing congestion and improving reliabili
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Operations and Safety: Operations Strategies to Improve Safety (Report No. FHWA-HOP-22-017). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/70449
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Operations and Safety: Operations Strategies to Improve Safety. Report no. FHWA-HOP-22-017. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/70449.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Operations and Safety: Operations Strategies to Improve Safety. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-22-017, ROSA P. https://rosap.ntl.bts.gov/view/dot/70449.
Traffic signal controllers use yellow change and red clearance intervals at signalized intersections to alert drivers to impending changes in the right-of-way assignment between conflicting traffic movements. Determining appropriate change and clearance intervals (CCIs) is important at signalized intersections to ensure safe transfer of the right-o
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Cesme, B., Stevanovic, A., Day, C., Schroeder, B., Bonneson, J., & Hale, D. (2023). Traffic Signal Change and Clearance Interval Pooled Fund Study: Synthesis Report (Report No. FHWA-HOP-23-037). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/72449
Cesme, Burak, Aleksandar Stevanovic, Chris Day, Bastian Schroeder, James Bonneson, and David Hale. Traffic Signal Change and Clearance Interval Pooled Fund Study: Synthesis Report. Report no. FHWA-HOP-23-037. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/72449.
Cesme, Burak, et al. Traffic Signal Change and Clearance Interval Pooled Fund Study: Synthesis Report. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HOP-23-037, ROSA P. https://rosap.ntl.bts.gov/view/dot/72449.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2023-03-01
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The objectives of the Multidisciplinary Data Management Support (MDMS) task order is to provide support to Federal Highway Administration (FHWA) Federal and contract project managers to manage their data and to provide access to and use of data from completed and current FHWA-sponsored projects. The purpose of this task order is twofold: To support
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United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2023). Multidisciplinary Data Management Support (MDMS) 101 Overview (Report No. FHWA-HRT-23-034). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/67029
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Multidisciplinary Data Management Support (MDMS) 101 Overview. Report no. FHWA-HRT-23-034. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2023. https://rosap.ntl.bts.gov/view/dot/67029.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Multidisciplinary Data Management Support (MDMS) 101 Overview. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2023, Report no. FHWA-HRT-23-034, ROSA P. https://rosap.ntl.bts.gov/view/dot/67029.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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The safe and efficient movement of people and goods is one of the most fundamental missions of any transportation agency. Both safety and mobility on the road network are affected by individual users’ behaviors, vehicle designs and features, infrastructure characteristics, and the way the transportation system is managed and operated. This is one o
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Operations and Safety: Making the Connections (Report No. FHWA-HOP-22-016). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/70450
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Operations and Safety: Making the Connections. Report no. FHWA-HOP-22-016. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/70450.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Operations and Safety: Making the Connections. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-22-016, ROSA P. https://rosap.ntl.bts.gov/view/dot/70450.
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