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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 4501 - 4520 of 36019 results
  • Motor Carrier Hazardous Materials Safety Permits Study
    Motor Carrier Hazardous Materials Safety Permits Study
    Spiegel, Walter ;
    Grill, Lew
    2020-07-01 | PDF
    The Moving Ahead for Progress in the 21st Century Act (MAP-21) required the Federal Motor Carrier Safety Administration (FMCSA) to conduct a study of its Hazardous Materials Safety Permit (HMSP) program and report to Congress on the review’s findings. This report provides the detailed description of the research that supported the summary letter re ...
  • Testing Methods to Assess the Durability of Concrete Permeability Reducing Admixtures
    Testing Methods to Assess the Durability of Concrete Permeability Reducing Admixtures
    Riding, Kyle A ;
    Tibbetts, Caitlin M.
    2020-07-01 | PDF
    Hydrophobic pore blocking admixtures and crystalline admixtures are permeability-reducing admixtures (PRAs) marketed to reduce water ingress into and increase the service life of reinforced concrete. Because corrosion of steel reinforcement is the main cause of deterioration and repair expenses for reinforced concrete structures owned by the Florid ...
  • Big Data Visualization and Spatiotemporal Modeling of Risky Driving
    Big Data Visualization and Spatiotemporal Modeling of Risky Driving
    Jahangiri, Arash ;
    Machiani, Sahar Ghanipoor
    2020-07-01 | PDF
    Statistical evidence shows the role of risky driving as a contributing factor in roadway collisions, highlighting the importance of identifying such driving behavior. With the advent of new technologies, vehicle kinematic data can be collected at high frequency to enable driver behavior monitoring. The current project aims at mining a huge amount o ...
  • Electric Fleet Adoption Strategies Addressing Storage and Infrastructure Needs
    Electric Fleet Adoption Strategies – Addressing Storage and Infrastructure Needs
    Raju, Arun S.K. ;
    Vu, Alexander
    2020-07-01 | PDF
    Significant electrification of the transportation sector is necessary for the State to achieve several important greenhouse gas (GHG) reduction and renewable energy targets. The State’s electricity generation and transmission capabilities must increase in order to meet the demand generated by increasing levels of fleet electrification. The increase ...
  • Congestion-Clearing Payments to Passengers [supporting dataset]
    Minett, Paul ;
    Niles, John S
    2020-07-01 | ZIP
    Peak period motor vehicle traffic volume congests roads all over the world. This project hypothesizes implementing congestion- clearing payments to passengers as a permanent congestion-management solution. Ongoing congestion-free travel would be achieved by removing existing congestion, and absorbing (re)generated demand, at costs that would be exp ...
    Dataset Supporting Files
  • Idaho DMV Customer Web Portal Study
    Idaho DMV Customer Web Portal Study
    Keathley-Helil, Valerie ;
    Koo, Jeeyen
    2020-07-01 | PDF
    This research study looks at potential enhancements to Idaho’s DMV web portal. Researchers reviewed existing literature to extrapolate potential benefits of e-government services, documented existing DMV services offered by each U.S. state, analyzed current business processes, investigated current laws and practices governing e-signatures for vehic ...
  • Advancing Transformational Infrastructure Projects Across Political Boundaries in the Northeast
    Advancing Transformational Infrastructure Projects Across Political Boundaries in the Northeast
    Taylor, Marilyn ;
    Yaro, Robert
    2020-07-01 | PDF
    The South Ward is the working site for the Port of Newark, the Newark Liberty International Airport, and the intercity and commuter rail station that serves the airport. It is also home to an historic Olmsted Brothers park surrounded by contiguous older neighborhoods, including Dayton and Weequahic, where many individuals and households are struggl ...
  • Crowdsourcing Parking Data for Micromobility Vehicles
    Crowdsourcing Parking Data for Micromobility Vehicles
    MacKenzie, Don ;
    Ban, Xuegang (Jeff)
    2020-07-01 | PDF
    A surge in shared micromobility services has been accompanied by an increase in vehicle parking violations and associated public complaints. The parking infractions vary from annoying when parked on private property, to unseemly when parked inside a city park to downright unsafe when interfering with utilities or blocking an Americans with Disabili ...
  • Mobilizing Investment in Americas Transportation Infrastructure
    Mobilizing Investment in America’s Transportation Infrastructure
    Taylor, Marilyn Jordan ;
    Yaro, Robert
    2020-07-01 | PDF
    America urgently needs to invest in its infrastructure. This paper outlines the elements of a national transportation investment strategy for the United States. Key objectives for the research included achieving a state of good repair on existing transportation systems, adding new and innovative transportation capacity to the United States, anticip ...
  • CongestionClearing Payments to Passengers
    Congestion-Clearing Payments to Passengers
    Minett, Paul ;
    Niles, John S
    2020-07-01 | PDF
    Peak period motor vehicle traffic volume congests roads all over the world. This project hypothesizes implementing congestion-clearing payments to passengers as a permanent congestion-management solution. Ongoing congestion-free travel would be achieved by removing existing congestion, and absorbing (re)generated demand, at costs that would be expe ...
  • 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 ...
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