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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 2281 - 2300 of 36114 results
  • Safety Enhancements at ShortStorageSpace Railroad Crossings
    Safety Enhancements at Short-Storage-Space Railroad Crossings
    Das, Subasish ;
    Warner, Jeffery
    2023-01-01 | PDF
    A short storage space railroad crossing has insufficient distance between the crossing and the highway intersection stop line to safely store a design vehicle. The current Michigan Department of Transportation (MDOT) project (OR 19-032), led by Texas A&M Transportation Institute (TTI), aimed to provide guidance on these crossing types. This study e ...
  • Moving Forward Ohio Department of Transportation Research Program Newsletter 2023 Volume 1
    Moving Forward: Ohio Department of Transportation Research Program Newsletter: 2023 Volume 1
    Ohio’s Research Initiative for Locals
    2023-01-01 | PDF
    ORIL is a program designed to provide practice-ready solutions to real-world issues facing Ohio’s local transportation system through research. It’s a multi-organizational collaborative effort to improve the transportation network in Ohio’s counties, townships, cities and villages.
  • NJDOT Highway Safety Manual Predictive Safety Tool Research Technical Brief
    NJDOT Highway Safety Manual Predictive Safety Tool Research [Technical Brief]
    Hopwood, Cory ;
    Motamed, Megan
    2023-01-01 | PDF
    The goal of the predictive safety tool research is to help New Jersey meet its safety targets and reduce transportation fatalities and serious injuries on all public roads, including non-State-owned roads. The use of predictive safety tools can help reach that goal by expanding the data and capability of the NJDOT to conduct safety analyses that pr ...
  • FDOT Identification of Prospective Solutions for Florida Trade Imbalance and Empty Backhauls Summary
    FDOT Identification of Prospective Solutions for Florida Trade Imbalance and Empty Backhauls [Summary]
    Fitzgerald, Rickey ;
    Ozkul, Seckin
    2023-01-01 | PDF
    The goal of this project was to identify sites and counties that have the greatest need for empty backhauling relief in Florida, and then evaluate high-performing manufacturing industries that might work for those areas. If manufacturing could increase in those places, empty backhauling could likewise be reduced.
  • Developing Means of Compliance for eVTOL Vehicles Phase II Final Report
    Developing Means of Compliance for eVTOL Vehicles: Phase II Final Report
    Klyde, D H ;
    Jones, M. G.
    2023-01-01 | PDF
    Development of new air vehicles types (e.g., personal air vehicles, urban taxis, etc.) have led to a proliferation of Vertical Takeoff and Landing (VTOL) vehicle concepts including electric vehicles, many of which are well funded and are in various stages of prototype development and testing. These vehicles almost exclusively feature fly-by-wire (F ...
  • A Strategic Assessment of Needs and Opportunities for the Wider Adoption of Electric Vehicles in Indiana Phase 2
    A Strategic Assessment of Needs and Opportunities for the Wider Adoption of Electric Vehicles in Indiana [Phase 2]
    Ju, Ha Kyun ;
    Kim, Tae Rim
    2023-01-01 | PDF
    The primary objective of this study was to assess the challenges and opportunities associated with the provision of appropriate infrastructure to support electric vehicle (EV) operations and electrification across Indiana. A secondary objective of this study was to develop a strategic plan for the Indiana Department of Transportation (INDOT) that o ...
  • Seat Belt Use in 2022 Overall Results Traffic Safety Facts
    Seat Belt Use in 2022 – Overall Results [Traffic Safety Facts]
    United States. Department of Transportation. National Highway Traffic Safety Administration. National Center for Statistics and Analysis
    2023-01-01 | PDF
    This research note examines seat belt use in 2022. The national estimate of seat belt use by adult front-seat passengers in 2022 was 91.6 percent, a record high although not statistically different (at the 0.05 level) from 90.4 percent observed in 2021. The seat belt use rate estimate represents the percentage of occupants who are belted during an ...
  • Deploying Digital Trust for Places and Routines DTPR in DC Testing A Methodology for Increasing Legibility and Enabling Public Feedback for Technology in the Public Realm
    Deploying Digital Trust for Places and Routines (DTPR) in DC: Testing A Methodology for Increasing Legibility and Enabling Public Feedback for Technology in the Public Realm
    Farra, Jason ;
    Lu, Jacqueline
    2023-01-01 | PDF
    The Digital Trust for Places and Routines (DTPR) open-source standard was tested as part of a Pedestrian Safety Technology Pilot Sandbox project rolled out by DDOT and their consultant. The DTPR standard was an effective tool for gathering and organizing privacy and data collection related information about each technology that was deployed as part ...
  • Implementing Epoxy Injection in Concrete Overlaid Bridge Decks
    Implementing Epoxy Injection in Concrete Overlaid Bridge Decks
    Baah, Prince
    2023-01-01 | PDF
    Concrete overlays have proven to be an effective maintenance treatment as they slow de-icing chemical and water penetration into the original deck surface. Typically, due to vibration, structural flexibility, and a weak bond between the concrete overlay and deck concrete (potentially because of poor construction), de-bonding develops at the boundar ...
  • Using Advanced Data Analytics to Reduce Snowplow Fuel Consumption Technical Summary
    Using Advanced Data Analytics to Reduce Snowplow Fuel Consumption [Technical Summary]
    Huneke, Joseph (Joe) ;
    Northrop, Will
    2023-01-01 | PDF
    Snowplows use substantial amounts of fuel to keep Minnesota’s winter roads safe and accessible. MnDOT spends over $2 million on diesel fuel annually for plowing operations. Reducing vehicle fuel consumption, in addition to cost savings, would help MnDOT meet its sustainability goal to achieve a 30% reduction in greenhouse gases (GHG) from 2005 leve ...
  • Identifying Microtransit Service Areas Through Microsimulation
    Identifying Microtransit Service Areas Through Microsimulation
    Macfarlane, Gregory S ;
    Atchley, S. Hayden
    2023-01-01 | PDF
    Demand-responsive microtransit services have operated in Utah since a pilot program debuted in Fall 2019. The Utah Transit Authority (UTA) and its partners see such services as providing key mobility in transit-limited areas, but how to prioritize which areas receive such services is an open question. In this research, we present a multi-agent dail ...
  • Langdon Walkability Assessment 2022
    Langdon Walkability Assessment 2022
    Sharma, Kshitij
    2023-01-01 | PDF
    A community is considered walkable if it is easy as well as safe for pedestrians to walk for recreation, exercise, and to school, stores, parks, the post office, etc. Additionally, a walkable community encourages safe use of existing infrastructure while expanding transportation options for users with varied ranges of mobility. This report document ...
  • Optimizing Maintenance Equipment Tracking Fact Sheet
    Optimizing Maintenance Equipment Tracking [Fact Sheet]
    Nazzal, Munir D
    2023-01-01 | PDF
    This report summarizes the results of a project that was completed to develop a system to allow multiple ODOT users with different administrative authority to locate and schedule different types of equipment in ODOT district and county garages. The project was divided into two phases. The results of Phase 1 indicated that the optimum tracking syste ...
  • Optimizing Maintenance Equipment Tracking
    Optimizing Maintenance Equipment Tracking
    Nazzal, Munir D ;
    Manasreh, Dmitry
    2023-01-01 | PDF
    This report summarizes the results of a project that was completed to develop a system to allow multiple ODOT users with different administrative authority to locate and schedule different types of equipment in ODOT district and county garages. The project was divided into two phases. The results of Phase 1 indicated that the optimum tracking syste ...
  • Investigation into the Contributing Factors to the Corrosion of Steel Reinforced Concrete Structures at Elevations Greater than 12 Feet above the Mean HighWater Line
    Investigation into the Contributing Factors to the Corrosion of Steel Reinforced Concrete Structures at Elevations Greater than 12 Feet above the Mean High-Water Line
    Presuel–Moreno, Francisco J ;
    Santillan, Ingrid
    2023-01-01 | PDF
    The main objective of this project was to gain a better understanding and insight as to why corrosion takes place at elevations higher than 12 feet above the mean high-water line (>MHWL+12) for tall components that are part of the substructure (piles, columns, footers) of bridges that are partially immersed. There are several factors that influence ...
  • Collect Data Using Connected Vehicles CV for RealTime and Future Use
    Collect Data Using Connected Vehicles (CV) for Real-Time and Future Use
    Zhou, Kun
    2023-01-01 | PDF
    Current Intelligent Transportation System (ITS) equipment used for "sensing" the operations of highways are very limited, both in geographic coverage and in the measured data they can provide. To effectively monitor, measure, and manage the Daily Vehicle-Hours of Delay (DVHD) on the transportation network, transportation agencies must again focus o ...
  • FDOT Land Use Analysis to Enhance Successful Logistics Activity Center Summary
    FDOT Land Use Analysis to Enhance Successful Logistics Activity Center [Summary]
    Fitzgerald, Rickey ;
    Ozkul, Seckin
    2023-01-01 | PDF
    As the third most populous state in the U.S., Florida has many attractive qualities – sunshine and beaches, no state income tax, and a diversity of tourist attractions from the panhandle to the peninsula. But is Florida missing out on other business opportunities? Florida’s massive population growth brings an emphasis on freight and logistics. The ...
  • NJDOT Highway Safety Improvement Program Implementation Plan
    NJDOT Highway Safety Improvement Program Implementation Plan
    Hopwood, Cory ;
    Motamed, Megan
    2023-01-01 | PDF
    The New Jersey Department of Transportation (NJDOT) researched the predictive safety analysis tools available in the market and how they are being used by State Departments of Transportation (DOT). These tools have proliferated since the American Association of State Highway and Transportation Officials (AASHTO) released the Highway Safety Manual ( ...
  • Reducing Winter Maintenance Equipment Fuel Consumption Using Advanced Vehicle Data Analytics Report
    Reducing Winter Maintenance Equipment Fuel Consumption Using Advanced Vehicle Data Analytics [Report]
    Northrop, William ;
    Reddy Challa, Dinesh
    2023-01-01 | PDF
    This project analyzes the impact that idling and snowfall have on the fuel consumed by Minnesota Department of Transportation (MnDOT)’s snowplow fleet, with the underlying objective to determine and advise MnDOT on ways to reduce fuel usage of the fleet using vehicle telematics data. This is a significant problem to solve as fuel use reduction cont ...
  • Development of Environmental Product Declarations EPDs for Sustainable Pavement Procurement Research Brief
    Development of Environmental Product Declarations (EPDs) for Sustainable Pavement Procurement [Research Brief]
    Senseney, Christopher T ;
    Wieden, Craig
    2023-01-01 | PDF
    HB 21-1303, the “Buy Clean Colorado Act” requires contractors to submit EPDs for asphalt and asphalt mixtures, cement and concrete mixtures, and steel installed on CDOT projects. Ultimately, the bill instructs CDOT to establish greenhouse gas (GHG) emission limits for these materials, and contractors on CDOT construction projects will need to compl ...
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