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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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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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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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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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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This reference manual (HEC-19) provides practical information in the evolving highway hydrology field. The information supports more resilient bridge and roadway design. Understanding of hydrologic behavior also can inform planning, design, operations, and maintenance. Following introductory material in Chapter 1 and policy context for hydrology in
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This White Paper aims to increase understanding of the role agency culture and cultural change can play in mainstreaming transportation systems management and operations (TSMO) and help agencies identify ways to influence their agency’s culture to better facilitate mainstreaming TSMO. It presents concepts from fields such as change management, indu
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2023-03-01
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FHWA Highway History Website Articles
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For, at a moment in time on April 19, 1929, "president" Harry S. Truman took part in the dedication of the monument as he had in the dedication of many of the 11 other Madonna of the Trail monuments in States the National Old Trails Road passed through.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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This case study highlights practices in mainstreaming transportation systems management and operations (TSMO) at the Iowa Department of Transportation (DOT) and the Washington State Department of Transportation (WSDOT). Each agency has its own culture, and the approaches the two DOTs use illustrate mainstreaming in ways that are consistent with eac
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United States. Department of Transportation. Federal Highway Administration. Western Federal Lands Highway Division
2023-03-01
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In 2022, the United States Forest Service (USFS) requested assistance from the Federal Highway Administration (FHWA) to conduct a multi-phase corridor study for Ashton-Flagg Ranch Road (AFRR). The condition of AFRR has been relatively stable for the past twenty years, despite ongoing deferred maintenance. However, increased visitation and changes i
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-03-01
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At the Ohio Department of Transportation (ODOT), agency leadership and staff recognize that close coordination and joint activities between the highway safety program and the transportation systems management and operations (TSMO) program can improve safety and mobility outcomes. ODOT has long jointly considered safety and congestion and has found
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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) helps agencies maintain and even restore the operational performance of the existing transportation system quickly and cost effectively. Creating a culture that supports TSMO is vital to mainstreaming TSMO in an agency. Through mainstreaming, agencies ensure that leadership and key staff readi
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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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This summary report documents the results of an effort to develop a list of needs, objectives, and activities for enhancing safety in and around work zones nationally. The report aims to assist potential stakeholders in prioritizing work zone safety activities and implementing targeted work zone safety strategies. The report presents 11 specific st
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