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The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

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Showing 4941 - 4960 of 36908 results
  • Seizing the Opportunity A Vision for CBD Tolling in New York City
    Seizing the Opportunity: A Vision for CBD Tolling in New York City
    Taylor, Marilyn ;
    Yaro, Robert
    2020-07-01 | PDF
    This report summarizes the findings and recommendations resulting from the Fall 2019 Decongesting New York Studio at the University of Pennsylvania. The semester-long studio was convened to advise the Metropolitan Transportation Authority (MTA) and New York City Department of Transportation (NYC DOT) on the design and implementation of a new tollin ...
  • Gauging the Effectiveness of Safe Routes to School Projects
    Gauging the Effectiveness of Safe Routes to School Projects
    Burbidge, Shaunna K.
    2020-07-01 | PDF
    Walking to school, which was once a commonplace rite of passage, now makes up only a small minority of school trips. Multiple studies have shown that concerns are strongly linked to the physical environment that exists between home and school. Over the past decade, hundreds of projects have been funded through the Utah Safe Routes to School and Saf ...
  • Motor Carrier Hazardous Materials Safety Permits Research Brief
    Motor Carrier Hazardous Materials Safety Permits [Research Brief]
    United States. Federal Motor Carrier Safety Administration. Analysis Division
    2020-07-01 | PDF
    Motor carriers that transport congressionally specified quantities and types of hazardous materials (HM) are required to register as an HM transporter with the Pipeline and Hazardous Materials Safety Administration (PHMSA) and obtain a Hazardous Materials Safety Permit (HMSP) from the Federal Motor Carrier Safety Administration (FMCSA). An HMSP is ...
  • Evaluation of the Effectiveness of Stop Lines in Increasing the Safety of StopControlled Intersections
    Evaluation of the Effectiveness of Stop Lines in Increasing the Safety of Stop-Controlled Intersections
    Duhn, Melissa ;
    Dirks, Peter
    2020-07-01 | PDF
    Stop lines are ubiquitous, but do they really impact intersection safety? Prior to this project, no long-term studies on intersection safety with stop lines had been completed. This project was developed with two parallel research efforts: a safety study and an observational study. The safety study was developed to address stop lines’ effects over ...
  • How Do Complete Streets Matter for Communities The Case of Richfield Minnesota
    How Do Complete Streets Matter for Communities? The Case of Richfield, Minnesota
    Phinney, Robin ;
    Fonseca, Camila
    2020-07-01 | PDF
    Municipalities across Minnesota have turned to Complete Streets in an attempt to develop more usable roads for their residents. This report investigates how Complete Streets are reshaping one Minnesota community. In 2013, Richfield, a suburb of Minneapolis, enacted a particularly innovative Complete Streets policy. Known locally as “Richfield Sweet ...
  • Increasing the Recognition and Support of EmployerProvided Commute Benefits Via Best Workplaces for Commuters
    Increasing the Recognition and Support of Employer-Provided Commute Benefits Via Best Workplaces for Commuters
    Winters, Philip L. ;
    Bond, Julie M
    2020-07-01 | PDF
    This project focused on increasing the desirability, effectiveness, and efficiency of employer-provided commute benefits (e.g., transit subsidies, telework, etc.) by providing national recognition in a membership-based program – Best Workplaces for Commuters (BWC) within NCTR – when these organizations meet the National Standard of Excellence (NSE) ...
  • Landscape Genomics Study on California Tiger Salamander
    Landscape Genomics Study on California Tiger Salamander
    Shaffer, H Bradley ;
    McCartney-Melstad, Evan
    2020-07-01 | PDF
    The California Tiger Salamander – Ambystoma californiense (CTS) is endemic to California. The Sonoma County distinct population segments (DPS) and Santa Barbara County DPS are federally listed as Endangered, while the Central California DPS is federally listed as Threatened. CTS is listed as Threatened under the California Endangered Species Act. C ...
  • MEMs Field Deployment
    MEMs Field Deployment
    Miskewitz, Robert ;
    Maher, Ali
    2020-07-01 | PDF
    Rutgers CAIT personnel recently developed a real-time lead sensor for use in sediment systems. The largest hurdle by far however was the development of a digestion procedure to accurately assess the actual concentration within a given mass of sediment. The sensor that was developed can only measure lead in the dissolved phase, as a result in order ...
  • Restoring Passenger Rail Service to Berks County PA
    Restoring Passenger Rail Service to Berks County, PA
    Transportation Economics & Management Systems, Inc (TEMS)
    2020-07-01 | PDF
    This report outlines the feasibility and planning for restoring passenger rail service between Reading, PA, and Philadelphia, aiming to enhance regional connectivity and economic growth. Prepared for the Berks Alliance and Greater Reading Chamber Alliance, the study employs a comprehensive methodology, including historical reviews, travel demand fo ...
  • An Assessment of the Workforce and Occupations in the Highway Street and Bridge Construction Industries in Indiana
    An Assessment of the Workforce and Occupations in the Highway, Street, and Bridge Construction Industries in Indiana
    Kumar, Indraneel ;
    Beaulieu, Lionel
    2020-07-01 | PDF
    This project explores workforce and occupations within the highway, street, and bridge construction industries (NAICS 237310) i Indiana. There are five specific deliverable comprised of three data reports, one policy document, and a website. The first data report includes an assessment of the workforce based on the eight-part framework, which are i ...
  • LongTerm Impacts of Shared Connected Automated and EMobility in New York State Exploring Hubs of Mobility and Energy Innovation
    Long-Term Impacts of Shared, Connected, Automated, and E-Mobility in New York State: Exploring Hubs of Mobility and Energy Innovation
    Kamga, Camille ;
    Mudigonda, Sandeep
    2020-07-01 | PDF
    Disruptive changes in mobility services are emerging across the nation and in New York State that have the potential to further enable private car-optional lifestyles and expanded, more flexible and affordable mobility choices. By convening stakeholder engagement roundtables of advanced transportation experts, then utilizing available data for visu ...
  • The Relationship Between General Aviation Pilot Age and Accident Rate
    The Relationship Between General Aviation Pilot Age and Accident Rate
    Riaz, Raja Muhammad ;
    Naeem, Khawar
    2020-07-01 | PDF
    The purpose of this study is to assess the relationship between the number of accidents and pilot’s age. The pilot considered for this study is General Aviation Pilot. Normal distribution of the accidents shows the mean pilot’s age = 54.60 with S. Dage = 14.38. There is a non-linear relationship between pilot’s age and accident rate and there is a ...
  • LongTerm Performance of Asphalt Concrete Mixed with RAP and RAS
    Long-Term Performance of Asphalt Concrete Mixed with RAP and RAS
    Bahia, Hussain ;
    Zhang, Yuan
    2020-07-01 | PDF
    The objective of this project is to evaluate the short- and long-term aging performance of high RAP and RAS asphalt mixtures utilizing various recycling additives (“rejuvenators”) in the context of balanced mixture design. Mixtures were evaluated for workability using gyratory compactor derived parameters, rutting and moisture susceptibility using ...
  • TechnoEconomic Analysis of Implementing Hybrid Electric Utility Vehicles in Municipal Fleets
    Techno-Economic Analysis of Implementing Hybrid Electric Utility Vehicles in Municipal Fleets
    Northrop, Will ;
    Zarling, Darrick
    2020-07-01 | PDF
    This research quantified fuel economy improvements by implementing hybrid electric utility vehicles in municipal fleets. The research team analyzed utility vehicle data and built computer vehicle simulations of utility trucks with three powertrain types: conventional, charge sustaining hybrid, and charge depleting hybrid plug-in hybrid vehicle (PHE ...
  • Life Cycle Costs and Benefits Analysis of Freight Transportation Projects
    Life Cycle Costs and Benefits Analysis of Freight Transportation Projects
    Peng, Zhong-Ren ;
    Han, Yu
    2020-07-01 | PDF
    Freight plays an increasing role in the national, state, and local economy. However, the life-cycle costs and benefits of freight investments are difficult to quantify, and there is a lack of specific tools to evaluate the potential benefits of freight investment projects. In this research, we developed and implemented a methodology to evaluate lif ...
  • Virtual Reality Implementation for Public Engagement
    Virtual Reality Implementation for Public Engagement
    Olson, Kimball
    2020-07-01 | PDF
    This project linked a Virtual Reality (VR) experience to the Iowa DOT’s general driver safety messaging campaign and delivered this powerful combination to the general public at the Iowa DOT’s 2018 Iowa State Fair booth and other venues. Two immersive VR displays were created: “Work Zone Safety” (by Intrans/Iowa State University’s Virtual Reality A ...
  • Airport Pavement Paint Study Implementation Evaluation
    Airport Pavement Paint Study - Implementation & Evaluation
    Baumann, Sandra ;
    Gorham, John
    2020-07-01 | PDF
    Staining of airfield markings is a safety problem. On airport pavement, white paint markings indicate that the pavement is a runway; yellow paint indicates the pavement is a taxiway or aircraft parking apron. Maintaining this difference in color is critical for the safety of all airport users. Iron, which is present in the sand and stone (aggregate ...
  • Social MediaInformed Urban Crisis Detection
    Social Media-Informed Urban Crisis Detection
    Samuels, Rachel ;
    Mohammadi, Neda
    2020-07-01 | PDF
    This research project examines the potential utility of a social media-informed crisis detection system to aid GDOT in the identification of hazards across the state. To assess that utility, the research team first analyzed two case studies with the goal of identifying the relevant information contained within posted social media data. Case study d ...
  • Verification of Bridge Foundation Design Assumptions and Calculations
    Verification of Bridge Foundation Design Assumptions and Calculations
    Han, Fei ;
    Prezzi, Monica
    2020-07-01 | PDF
    The Sagamore Parkway Bridge consists of twin parallel bridges over the Wabash River in Lafayette, IN. The old steel-truss eastbound bridge was demolished in November 2016 and replaced by a new seven-span concrete bridge. The new bridge consists of two end-bents (bent 1 and bent 8) and six interior piers (pier 2 to pier 7) that are founded on closed ...
  • Review and Assessment of Past MnDOT Bridge Barrier Types
    Review and Assessment of Past MnDOT Bridge Barrier Types
    Williams, William F. ;
    Moran, Sana M
    2020-07-01 | PDF
    Many Minnesota bridges have older barriers or parapets that met the design code at the time of construction in the 1950s. Many of these bridge barriers no longer meet current strength and performance requirements of NCHRP Report 350 or the Manual for Assessing Safety Hardware (MASH). As the Minnesota Department of Transportation (MnDOT) begins to r ...
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