74,952 research outputs found

    Enabling Data-Driven Transportation Safety Improvements in Rural Alaska

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    Safety improvements require funding. A clear need must be demonstrated to secure funding. For transportation safety, data, especially data about past crashes, is the usual method of demonstrating need. However, in rural locations, such data is often not available, or is not in a form amenable to use in funding applications. This research aids rural entities, often federally recognized tribes and small villages acquire data needed for funding applications. Two aspects of work product are the development of a traffic counting application for an iPad or similar device, and a review of the data requirements of the major transportation funding agencies. The traffic-counting app, UAF Traffic, demonstrated its ability to count traffic and turning movements for cars and trucks, as well as ATVs, snow machines, pedestrians, bicycles, and dog sleds. The review of the major agencies demonstrated that all the likely funders would accept qualitative data and Road Safety Audits. However, quantitative data, if it was available, was helpful

    Safe Routes to School 2009 Policy Report: Moving to the Future: Building on Early Achievements

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    This report gives background information on Safe Routes to School and details challenges and opportunities in program implementation. The 2009 Policy Report also discusses a number of "big-picture" policies and practices that affect -- positively or negatively -- the ability of children to walk and bicycle to school or that can help institutionalize SRTS programs in a larger context. Some of these policies include school siting, complete streets, and school bus route cuts

    Transportation Capital Programming in Massachusetts

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    Recommends implementing an explicit, policy-driven framework and criteria for prioritizing transportation capital spending at the Massachusetts Highway Department and the Massachusetts Bay Transportation Authority. Outlines benchmarks and key elements

    Road Work Ahead: Holding Government Accountable for Fixing America's Crumbling Roads and Bridges

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    Examines the poor maintenance of roads and bridges; their consequences, including costs; and underlying causes, including pressure from special interest groups and untargeted transportation policies. Recommends fixing existing infrastructure first

    Private Roads, Public Costs: The Facts About Toll Road Privatization and How to Protect the Public

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    Provides an overview of trends in toll road privatization and discusses implications for the public, including loss of control, financial risk, and lack of transparency. Proposes principles that would protect the public interest in privatization deals

    Improving Pathways to Transit for Persons with Disabilities

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    Persons with disabilities can achieve a greater degree of freedom when they have full access to a variety of transit modes, but this can only be achieved when the pathways to transit – the infrastructure and conditions in the built environment – allow full access to transit stops, stations, and vehicles. Since passage of the Americans with Disabilities Act (ADA) in 1990, many transit agencies and governmental jurisdictions have made significant progress in this area. Policy initiatives, incremental enhancements, modifications, and other measures undertaken by transit agencies and their partners have significantly improved access to transit for persons with disabilities, others who rely on public transportation, and individuals who chose to utilize these services. This research study explores, through case study work, efforts that have been effective in improving pathways to transit. Interviews and site visits were conducted with five transit agencies, along with their partners, that are actively engaged in improving pathways to connect transit consumers – particularly people with disabilities – with transit stations and stops. These agencies are: Broward County Transit (Broward County, FL), Memphis Area Transit Authority (Memphis, TN), NJ TRANSIT (Newark and New Brunswick, NJ), Tri-County Metropolitan Transportation District of Oregon (Portland, OR), and Link Transit (Wenatchee, WA). Promising practices and/or lessons were identified through the case study analysis; these should be considered by any transit agency seeking to create improved access to its services for persons with disabilities

    Sustainable infrastructure procurement in Australia: Standard vs. project practices

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    The Australian Government and most Australian road authorities have set ambitious greenhouse gas emission (GHGe) reduction targets for the near future, many of which have translated into action plans. However, previous research has shown that the various Australian state road authorities are at different stages of implementing ‘green’ initiatives in construction planning and development, with considerable gaps in their monitoring, tendering, and contracting. This study illustrates the differences between procurement standards and project specific practices that aim to reduce GHGe from road construction projects in three of the largest Australian road construction clients, with a focus on the tools used, contract type and incentives for better performance

    Transportation Construction Work-Zone Safety Impact on Time-Related Incentive Contracting Projects

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    Work-zone safety on highway projects continues to be a national concern, and project safety performance is one of the indicators of project success. Many contractors and State Transportation Agencies believe that expedited construction time under incentive contracting contributes to reducing the safety risk of road users traveling through work zones. However, the truth of this belief has never been measured or supported by any statistical evidence. Therefore, this research investigates the statistical relationship between time-related incentive road construction projects and frequency of vehicle crashes in California to understand the impact of time-related incentive provisions on project safety performance. The research team collected incentive and non-incentive project data from the California Department of Transportation. Additionally, vehicle crash data was collected from the California Statewide Integrated Traffic Records System. Using Geographic Information System (GIS) software, the locations of construction projects and crashes at the project locations were then pinpointed on GIS centerline layers. The research team performed statistical analyses to test the relationship between the frequency and characteristics of crashes at incentive project sites and ones at non-incentive project sites before, during, and after construction. Finally, the analysis results for both time-related incentive projects and non-incentive projects were summarized to provide project planners and managers with a better understanding of the impact of time-related incentive contracting on project safety performance

    Safe Routes to School State Network Project Final Report 2007-2009: Making Change through Partners and Policies

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    The Safe Routes to School National Partnership launched the State Network Project in 2007 to influence state-level Safe Routes to School implementation and to leverage additional resources and build a supportive environment through other state-level policies. The 2007 -- 2009 Report describes the approach and structure of the Partnership's State Network and Local School Projects in 10 jurisdictions (CA, DC, GA, IL, KY, LA, NY, OK, TX and VA). The networks were selected primarily based on high levels of childhood obesity, diversity and low income communities. The report highlights the progress achieved at state and local levels over three years, including major accomplishments, lessons learned, and next steps
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