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Showing 3781 - 3800 of 15948 results
  • Alternative Cementitious Materials in Transportation Sustainable Durable Substitutes for Portland Cement fact sheet
    Alternative Cementitious Materials in Transportation : Sustainable, Durable Substitutes for Portland Cement : [fact sheet]
    United States. Federal Highway Administration
    2018-08-01 | PDF
    As the world’s second-most widely used material behind water, concrete is a core ingredient of American infrastructure, including its use to build roads and bridges on the National Highway System. Concrete, due to its long service life, has a low environmental cost; however, its major component, ordinary portland cement (OPC), in its manufacturing ...
  • Technology Transfer Delivery and Implementation of Best Practices for Jointed Concrete Pavements
    Technology Transfer, Delivery, and Implementation of Best Practices for Jointed Concrete Pavements
    Rao, Shreenath ;
    Tayabji, Shiraz D.
    2018-08-01 | PDF
    This report summarizes the activities performed, products developed, and accomplishments under this task order as part of the above-referenced contract. The goal of this task order is to conduct technology transfer, delivery, and implementation of best practices for jointed concrete pavements. Activities such as those conducted under this task orde ...
  • Peer Exchange Summary Report NatureBased Solutions for Coastal Highway Resilience
    Peer Exchange Summary Report: Nature-Based Solutions for Coastal Highway Resilience
    Cherry, Charlotte ;
    Dix, Brenda
    2018-08-01 | PDF
    To inform the development of an implementation guide, the Federal Highway Administration (FHWA) conducted four regional peer exchanges in Spring 2018 on nature-based solutions that improve coastal highway resilience. This peer exchange summary provides a synthesis of the key examples of nature-based solutions and recommendations for successful plan ...
  • Transportation Safety Planning and the Zero Deaths Vision A Guide for Metropolitan Planning Organizations and Local Communities
    Transportation Safety Planning and the Zero Deaths Vision: A Guide for Metropolitan Planning Organizations and Local Communities
    Tang, Eric ;
    Peach, Kara
    2018-08-01 | PDF
    An increasing number of regional and local transportation agencies across the country are adopting transportation safety plans with a vision to eliminate traffic fatalities. This document provides references to key information for metropolitan planning organizations and local communities to understand the safety planning process and develop their o ...
  • 2017 Urban Congestion Trends Measuring Managing and Improving Operations in the 21st Century
    2017 Urban Congestion Trends: Measuring, Managing, and Improving Operations in the 21st Century
    United States. Federal Highway Administration
    2018-08-01 | PDF
    This report provides the current state of congestion and reliability in 52 of the largest metropolitan areas in the United States. It also highlights relevant successful operational strategies and performance management approaches implemented by state and local transportation agencies. The report concludes with a brief discussion of the new travel ...
  • Synthesis Study Overview of Readily Available Culvert Inspection Technologies
    Synthesis Study: Overview of Readily Available Culvert Inspection Technologies
    Sheth, Ananya ;
    Sinfield, Joseph V.
    2018-08-01 | PDF
    Culverts, conduits that facilitate passage of water beneath roadways and other structures, represent important components of infrastructure systems, helping to drain, direct or divert surface water and prevent the disruption of roadways. Their efficient inspection and maintenance is thus critical to safe operation of Indiana’s transportation infras ...
  • Connecticut Tennessee Fund Pedestrian Safety DOTs Use Highway Safety Improvement Program Funding to Provide Exemplary Focus on Pedestrian Safety
    Connecticut & Tennessee Fund Pedestrian Safety: DOTs Use Highway Safety Improvement Program Funding to Provide Exemplary Focus on Pedestrian Safety
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    Both States are using the Highway Safety Improvement Program (HSIP) to target pedestrian safety projects. TDOT will use at least 10 percent of its HSIP funding to counter an increasing number of serious and fatal crashes involving pedestrians. CTDOT has taken a more programmatic approach, but has easily surpassed a 10-percent threshold in recent ye ...
  • Rectangular RapidFlashing Beacons in Maine A Simple Approach to Promote this Safety Countermeasure
    Rectangular Rapid-Flashing Beacons in Maine: A Simple Approach to Promote this Safety Countermeasure
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    Rectangular Rapid-Flashing Beacons (RRFBs) is one of MaineDOT’s most common pedestrian countermeasures. In addition to installing RRFBs through their typical project development process, the Department has reached out to communities to become partners in the installation and maintenance of the RRFB. MaineDOT created a single procurement-only contra ...
  • New Jersey Complete Streets Design Guide Using Complete Streets Guides to Support STEP Countermeasures
    New Jersey Complete Streets Design Guide: Using Complete Streets Guides to Support STEP Countermeasures
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    The 2017 Complete Streets Design Guide is a concise but thorough reference guide for designing streets to meet multimodal and community needs. The guide includes the Complete Streets toolbox that draws on best practices from a variety of national design standards and guidelines, emphasizes the role of context and flexibility during the design proce ...
  • Louisiana Complete Streets Policy Update Elements of a Complete Streets Policy that Support Pedestrian Crossings
    Louisiana Complete Streets Policy Update: Elements of a Complete Streets Policy that Support Pedestrian Crossings
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    This policy creates a comprehensive and connected transportation network for Louisiana and aims to balance access, mobility, and safety needs of motorists, transit users, bicyclists, pedestrians of all ages and abilities, and users of wheelchairs and mobility aids. DOTD will implement effective pedestrian countermeasures to improve safety.
  • Virginia 2017 2021 Strategic Highway Safety Plan Virginia Places a Priority on Narrowing Crossings to Reduce Fatalities
    Virginia 2017 – 2021 Strategic Highway Safety Plan: Virginia Places a Priority on Narrowing Crossings to Reduce Fatalities
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    This plan, which has evolved and matured with the advancement of safety planning techniques, is a multi-agency, comprehensive, data-driven approach to reduce fatalities and serious injuries on all public roads. The plan highlights VDOT’s commitment to improving the safety of pedestrian crossings at uncontrolled locations.
  • Arizona Pedestrian Safety Action Plan Identifying HighCrash Locations and Effective Pedestrian Countermeasures
    Arizona Pedestrian Safety Action Plan: Identifying High-Crash Locations and Effective Pedestrian Countermeasures
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    ADOT’s 2017 Pedestrian Safety Action Plan (PSAP) is a strategic action plan with clear objectives focusing resources on reducing the greatest number of possible severe injury and fatal pedestrian-motor vehicle crashes on the Arizona State Highway System (SHS).
  • Washington State Design Manual Providing Engineers with the Tools to Design Safe Pedestrian Crossings
    Washington State Design Manual: Providing Engineers with the Tools to Design Safe Pedestrian Crossings
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    This manual facilitates the development of a highway system consistent with the needs of the multimodal traveling public and provides detailed guidance on target speeds and the installation of marked crosswalks at uncontrolled intersections and mid-block locations.
  • Alabama Statewide Bicycle and Pedestrian Plan A Vision That Supports Safe Pedestrian Crossings in Alabama
    Alabama Statewide Bicycle and Pedestrian Plan: A Vision That Supports Safe Pedestrian Crossings in Alabama
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    The purpose of this plan is to establish a vision for bicycling and walking as modes of transportation in Alabama. The graphic below summarizes key strategies, as found in the plan, for improving safety at pedestrian crossings.
  • Improving Speed Management Using a Systemic Safety Approach
    Improving Speed Management Using a Systemic Safety Approach
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2018-08-01 | PDF
    When contemplating an approach to understand the myriad of complex and interwoven factors and circumstances involved in speeding-related issues, practitioners sometimes ask "Where do I even start?" and "Which data are the most trustworthy?" State crash reports use a variety of categories to describe speeding-related crashes: "exceeded speed limit," ...
  • Congestion and Bottleneck Identification CBI Software Tool Users Guide
    Congestion and Bottleneck Identification (CBI) Software Tool User's Guide
    Hale, David K.
    2018-08-01 | PDF
    To justify investments towards improved traffic operations, engineers and policymakers need accurate and scientific methods of congestion measurement. However, conventional methods are limited and/or outdated. Peak hour analyses fail to account for changing conditions throughout the year. Reliability modeling in the Highway Capacity Manual (HCM), w ...
  • Connected Vehicle Pilot Deployment Program Phase 2 Performance Measurement and Evaluation Support PlanICFWyoming
    Connected Vehicle Pilot Deployment Program Phase 2, Performance Measurement and Evaluation Support Plan-ICF/Wyoming
    Kitchener, Fred ;
    Young, Rhonda
    2018-07-30 | PDF
    The Wyoming Department of Transportation’s (WYDOT) Connected Vehicle (CV) Pilot Deployment Program is intended to develop a suite of applications that utilize vehicle to infrastructure (V2I) and vehicle to vehicle (V2V) communication technology to reduce the impact of adverse weather on truck travel in the I-80 corridor. These applications support ...
  • Human Environment Digest July 26 2018
    Human Environment Digest: July 26, 2018
    United States. Federal Highway Administration. Office of Planning, Environment, and Realty
    2018-07-26 | PDF
    This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru ...
  • Intelligent Transportation Systems ITS Benefits for Rural Communities
    Intelligent Transportation Systems (ITS): Benefits for Rural Communities
    United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
    2018-07-26 | PDF
    Each year, rural roadways experience a greater number of fatal crashes than urban roadways. In 2015, there were more than 6.2 million traffic crashes in the United States, in which 35,092 people were killed. Of this staggering number, rural fatalities accounted for 49 percent— despite estimates that only 19 percent of the U.S. population live in ru ...
  • Connected Vehicle Pilot Deployment Program Independent Evaluation Analysis Modeling and Simulation PlanNew York City
    Connected Vehicle Pilot Deployment Program Independent Evaluation: Analysis, Modeling, and Simulation Plan-New York City
    Morgan, Abigail ;
    Dowling, Richard G.
    2018-07-20 | PDF
    The purpose of this analysis, modeling, and simulation (AMS) plan is to provide a well-defined and unambiguous set of steps to be followed for modeling, simulating, and evaluating the mobility and environmental impacts of the pilot deployment as outlined in the refined evaluation plan for New York City, created in Task 2 of this project. The plan d ...
3781 - 3800 / 15948