United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2012-01-01
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The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
Cross-training and job variety were part of the work tradition at the Bureau of Public Roads. Those working on survey and aerial mapping crews could look forward to learning all aspects of the operations associated with the job and to making their own decisions, independent of supervisors in the office.
Livability in transportation is about leveraging the quality, location, and type of transportation facilities and services available to help achieve broad community goals such as access to a variety of jobs, community services, affordable housing, quality schools, and safe streets. 1 Livability is an outcome of a multimodal transportation planning
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In 2010, 35 percent of the 30,196 fatal crashes on U.S. roadways occurred on local rural roads, with nearly one-third (3,427) of these involving speeding. This document is intended to provide local road practitioners with information on how to address speeding-related crashes through the im-plementation of a comprehensive Speed Management Program.
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This third edition is the first major rewrite of HDS 5 since 1985, updating all previous information and adding new information on software solutions, aquatic organism passage, culvert assessment, and culvert repair and rehabilitation. The result is a comprehensive culvert design publication. The appendices of the publication contain the equations
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This Guide is intended to be a comprehensive source of collective experience gained from priced managed lanes implemented in the United States through 2012. The Guide presents a wide range of information on priced managed lanes. The purpose of this Guide is to assist transportation professionals as they consider, plan, and implement priced managed
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The final product of the research is a best practice guide for pavement management. Not only will this be a reference for all things related to pavement management, but it will also act as a "desk guide" for practitioners. To enhance access and implementation, it is envisioned that this guide will be developed and available through an electronic we
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Historic covered bridges and current timber bridges can be vulnerable to damage from biodeterioration or fire. This guide describes procedures for selecting and applying in-place treatments to prevent or arrest these forms of degradation. Vulnerable areas for biodeterioration in covered bridges include members contacting abutments, members near the
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This literature review summarizes existing research, publications and proceedings relating to risk management and how it can be applied to transportation asset management (TAM.) The review examines domestic sources from the public and private sectors, as well as reports from international public sector agencies. This report provides background for
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As the United States considers developing risk-based Transportation Asset Management (TAM) plans, agencies will need to understand risk and how it can be used to improve decision making in asset management programs. This is the first of five reports that define risk, explain risk management and examine their application to TAM both in the U.S. and
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Transverse rumble strips (TRSs) (also called in-lane rumble strips) have been used by some agencies to warn drivers in rural areas that they are approaching a stop sign. The strips typically consist of grooves crossing the roadway surface to provide a tactile and audible warning for drivers. Many studies have focused on the effect of TRSs on driver
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This project was undertaken to advance the knowledge of the beneficial uses of taconite mining coarse tailings (taconite fine aggregate) for thin lift hot mix asphalt (HMA), to facilitate technical information gathering and marketing of such uses and properties, and to encourage the beneficial use of recycled/byproduct materials like durable and we
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Continuously reinforced concrete pavement (CRCP) is enjoying a renaissance across the United States and around the world. CRCP has the potential to provide a long-term, "zero-maintenance," service life under heavy traffic loadings and challenging environmental conditions, provided proper design and quality construction practices are utilized. (An e
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