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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PDF
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. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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PDF
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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The objective of this White Paper is to assist departments of transportation (DOTs) and other agencies engaged in managing and operating transportation systems in mainstreaming transportation systems management and operations (TSMO) through their policies and processes. This Paper discusses policies and processes, organized by six themes, that have
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This document, the Bridge Inspector’s Reference Manual (BIRM), is a comprehensive reference manual on programs, procedures, and techniques for inspecting and evaluating a variety of in-service highway bridges. It was intended to replace the BITM 90 which was first published in 1991 to assist in training highway personnel for the new discipline of b
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Cruising vehicles—motorists circling or cruising for on-street parking that is free or priced below market equilibrium—can contribute to additional congestion, air pollution, time wasted, driver frustration, and a potential loss of economic competitiveness at destinations where parking is hard to find and where alternative access modes are limited.
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This White Paper explores how decisionmaking, decision support systems (DSSs), and information management systems (IMSs) may be mechanisms for mainstreaming TSMO (transportation systems management and operations)within transportation agencies. The Paper provides examples of how these systems have been used to advance and integrate TSMO in major age
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This document is a resource designed to enable transportation planners, operators, and others to plan for transportation systems management and operations (TSMO) by identifying operations objectives, performance measures, strategies, implementation, and management considerations. It offers practitioners a menu of options for incorporating operation
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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PDF
The Florida Department of Transportation (FDOT) is committed to providing a safe transportation system that ensures the mobility of people and goods. Florida has a unique transportation context for addressing safety and mobility. The State’s population increased by more than 32 percent from 2000 to 2019 and saw a significant growth in visitors or t
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United States. Department of Transportation. Federal Highway Administration
2023-03-01
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PDF
This is one of five case studies highlighting FHWA’s Every Day Counts initiative known as Targeted Overlay Pavement Solutions (TOPS). TOPS integrates innovative overlay procedures into practices to improve performance, lessen traffic impacts, and reduce the cost of pavement ownership.
Ultra-thin bonded wearing course is a thin open-graded asphalt layer placed on a polymer-modified emulsion membrane. A specialized paver places the emulsified asphalt membrane and the poly-modified asphalt mixture on the surface in a single pass. It is used as a treatment method on asphalt pavements to correct surface distresses such as raveling or
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United States. Department of Transportation. Federal Highway Administration
2023-03-01
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PDF
The maximum share of project costs that may be funded with Federal-aid (the "Federal share") varies based upon the Federal-aid program from which the project receives funding. In some cases, the Federal share also is adjusted based on related statutory provisions. Within this document, changes made by BIL to Federal share are noted in italicized ty
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Bonded concrete overlays rely on the underlying pavement to provide support and load carrying capacity. For bonded concrete overlays of asphalt pavement, the strength and thickness of the concrete slab and the bond between the new concrete surface and the existing asphalt essentially establishes a monolithic pavement structure. This case study summ
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