United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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This case study describes how the Pennsylvania Department of Transportation (PennDOT) transformed the relationship between transportation systems management and operations (TSMO) and information technology (IT). This increased collaboration enabled PennDOT to move from a self contained intelligent transportation systems (ITS) program to a more coll
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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 Operations
2023-03-01
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PDF
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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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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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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PDF
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
2023-03-01
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PDF
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
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. Office of Operations
2023-03-01
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PDF
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 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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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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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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PDF
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
2023-03-01
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PDF
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.
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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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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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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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
2023-03-01
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PDF
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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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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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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