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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 761 - 780 of 36055 results
  • Transit Usage Impacts of NJ TransitOriented Developments TODS
    Transit Usage Impacts of NJ Transit-Oriented Developments (TODS)
    Smart, Michael J. ;
    DiPetrillo, Stephanie E.
    2024-12-01 | PDF
    This report examines the relationships between the characteristics of transit-oriented development (TOD) and (1) the use of transit and non-motorized modes (walking, cycling, scooting) and (2) local shopping behaviors and behavioral changes during and after the COVID-19 pandemic. The team gathered data from 341 respondents via an online survey and ...
  • Assessment of TravelTime Reliability and Operational Resilience of Metro Freeway Corridors
    Assessment of Travel-Time Reliability and Operational Resilience of Metro Freeway Corridors
    Kwon, Eil ;
    Kazi, Farhanuddin
    2024-12-01 | PDF
    This study estimated and analyzed the travel-time reliability (TTR) and traffic-flow measures of effectiveness (MOE) for 74 directional corridors in the metro freeway network in Twin Cities, Minnesota, from January 2018 to December 2023, for both morning and afternoon peak periods. The network-wide trends for both TTR and MOE indicate that the traf ...
  • Resources and Tools to Improve Pedestrian Safety
    Resources and Tools to Improve Pedestrian Safety
    Finley, Kari ;
    Otto, Jay
    2024-12-01 | PDF
    While pedestrian safety is found in many Strategic Highway Safety Plans across the country, there may be potentially competing values and beliefs that influence the deployment of effective pedestrian safety strategies. Understanding shared values and beliefs among transportation stakeholders about pedestrian safety is critical to growing a positive ...
    Supporting Files
  • Wisconsin NonDriver Transportation Behavior Study
    Wisconsin Non-Driver Transportation Behavior Study
    Qin, Xiao ;
    Schneider, Robert
    2024-12-01 | PDF
    This study explores the transportation challenges faced by non-drivers in Wisconsin, a population comprising aging adults, individuals with disabilities, low-income residents, and those without access to vehicles. Non-drivers account for approximately 31% of the state’s population, with rural areas experiencing the greatest mobility barriers due to ...
  • 07183 Develop Crash Modification Factors for Super 2 Highways Brief
    0-7183: Develop Crash Modification Factors for Super 2 Highways [Brief]
    Brewer, Marcus A. ;
    Geedipally, Srinivas R.
    2024-11-30 | PDF
    Super 2 highways have been used across Texas for over 20 years, providing operational and safety benefits to rural two-lane highways at a lower cost than widening such facilities to four lanes. More Super 2 highways are planned as the demand increases on the state highway system. Previous research has provided insights on Super 2 safety, but update ...
  • Assess Driver Distraction in an Era of Rapid Technological Change for Digital Advertising Billboards Project Summary Report
    Assess Driver Distraction in an Era of Rapid Technological Change for Digital Advertising Billboards [Project Summary Report]
    Pike, Adam ;
    Shirinzad, Maryam
    2024-11-30 | PDF
    This research project focused on the degree of driver distraction caused by typical and digital advertising signs and potential safety impacts of that distraction. The project included a comprehensive state-of-the-practice review, crash investigation, and on-road human factors evaluation. The research team located each of the digital billboards in ...
  • Investigating Prime Versus Curing Where When and Why Project Summary Report
    Investigating Prime Versus Curing: Where, When, and Why [Project Summary Report]
    Goehl, Darlene ;
    Bierman, Carl
    2024-11-30 | PDF
    The objective of this research project was to determine where, when, and why a prime or cure is needed for a pavement layer. Some materials can be used for multiple purposes, such as to prime, bond, or help cure; however, the rates and timing of use may change depending on why the material is being used. Guidance is needed to help designers, inspec ...
  • Project Summary Fiber Optic Feasibility and Partnership Study
    Project Summary: Fiber Optic Feasibility and Partnership Study
    Minnesota Department of Transportation  ...
    2024-11-21 | PDF
    The Fiber Optic Feasibility and Partnership Study aimed to develop a strategic plan for future fiber connectivity by utilizing public-private partnerships. The project involved the following tasks: • Reviewed state policy and legal barriers. • Assessed the state's current right-of-way assets. • Identified fiber and telecommunications gaps and needs ...
  • Project Summary Rochester Automated Shuttle Pilot Med City Mover
    Project Summary: Rochester Automated Shuttle Pilot: Med City Mover
    Minnesota Department of Transportation  ...
    2024-11-20 | PDF
    The Rochester Automated Shuttle Pilot was a research project that included the 12-month demonstration (August 2021 - August 2022) of two highly automated and electric vehicles to over 3,000 passengers along a fixed route downtown in the City of Rochester. The circular, fixed route connected the Mayo Clinic downtown campus with residential neighborh ...
  • Smart Snelling Summary
    Smart Snelling [Summary]
    Minnesota. Department of Transportation
    2024-11-20 | PDF
    The Smart Snelling project was comprised of two main components: testing a third-party application to provide users signal phasing and timing (SPaT) information and testing snowplow signal priority. Minnesota Department of Transportation (MnDOT) and Minnesota's Ramsey County installed connected vehicle technology equipment at 16 intersections owned ...
  • Project Summary MnDOT Autonomous Bus Pilot
    Project Summary: MnDOT Autonomous Bus Pilot
    Minnesota. Department of Transportation. Research Services & Library
    2024-11-20 | PDF
    The MnDOT Autonomous Bus Pilot project consisted of deploying a Level 4 shuttle provided by EasyMile on the MnROAD facility. The bus was used for several rounds of public demonstrations as well as testing at the MnROAD facility during winter conditions. The bus could hold up to 12 people and had a range of typical driving speeds from 2 to 11 miles ...
  • MnDOT Traffic Camera Maximizer Summary
    MnDOT Traffic Camera Maximizer [Summary]
    Minnesota. Department of Transportation
    2024-11-20 | PDF
    This project involved the implementation of a Traffic Camera Maximizer (TCM).The Traffic Camera Maximizer was proposed to broaden the reach of the following MnDOT assets to improve situational awareness of driving conditions across the state.
  • Project Summary Connected Vehicle Traveler Alert System
    Project Summary: Connected Vehicle Traveler Alert System
    Minnesota. Department of Transportation  ...
    2024-11-20 | PDF
    The Connected Vehicle Traveler Alert System project was implemented to increase traveler awareness and subsequently increase safety of the traveling public by notifying them of upcoming maintenance vehicles or snowplows that may not have been in the line of sight. This was tested by sending maintenance vehicle location data gathered by an automatic ...
  • Project Summary Automated Waze Imports
    Project Summary: Automated Waze Imports
    Minnesota Department of Transportation  ...
    2024-11-20 | PDF
    Waze offered a traffic data feed to government transportation agencies, which included alerts (citizen alerts of traffic delays, construction, accidents, etc.) and jams (slowdown information created algorithmically by the Waze platform). The Automated Waze Imports task consisted of several components: • Customized and deployed a Waze alerts importe ...
  • Project Summary Dynamic Flashing Yellow Arrow Phase Mode Selection
    Project Summary: Dynamic Flashing Yellow Arrow Phase Mode Selection
    SRF Consulting Group
    2024-11-20 | PDF
    This project focused on utilizing high-resolution signal data, crash data, and volume data to analyze safety impacts associated with the three left turn phasing modes that flashing yellow arrows could operate in and determine when the various modes should operate. The three modes were as follows: Protected only; Protected-permissive; Permissive onl ...
  • Project Summary Centralized SPaT and MAP Data Sharing
    Project Summary: Centralized SPaT and MAP Data Sharing
    Minnesota. Department of Transportation. Research Services & Library
    2024-11-20 | PDF
    The project assessed MnDOT's ability to share signal phasing and timing (SPaT) data and intersection geometry (MAP) data to travelers and third-party systems via a centralized process.
  • Project Summary Work Zone Data Exchange WZDx CARS eXchange
    Project Summary: Work Zone Data Exchange (WZDx): CARS eXchange
    Minnesota. Department of Transportation  ...
    2024-11-19 | PDF
    The Condition Acquisition and Reporting System (CARS) eXchange project was put in place to support the Federal Highway Administration’s (FHWA) goal of increasing safety for the traveling public by sharing real-time work-zone information between the public and private sectors, under an FHWA grant. The project objective was to advance Minnesota Depar ...
  • Project Summary Passive Pedestrian Detection Analysis
    Project Summary: Passive Pedestrian Detection Analysis
    SRF Consulting Group
    2024-11-14 | PDF
    The Passive Pedestrian Detection Analysis project reviewed a variety of commercially available passive detection systems. After vendor selection, the project went through ground-truth testing, pushbutton compliance testing, and vendor result summarization. The objective of the project was to test and verify the accuracy of the selected passive dete ...
  • Advancing the Use of DWTR in Stormwater Treatment Features to Enhance Phosphorus Removal for Transportation Projects
    Advancing the Use of DWTR in Stormwater Treatment Features to Enhance Phosphorus Removal for Transportation Projects
    Roy, Eric ;
    Hurley, Stephanie
    2024-11-12 | PDF
    Stormwater runoff from urban areas threatens water quality and ecosystems around the world. For freshwater ecosystems, phosphorus (P) is often a primary concern, as excess P loading can cause eutrophication, symptoms of which include harmful algal blooms and oxygen depletion. Dissolved P forms are taken up by primary producers and are therefore a p ...
  • Evaluating the Correlation between Slip Resistance and Skid Resistance of Pavement Markings at Crosswalks
    Evaluating the Correlation between Slip Resistance and Skid Resistance of Pavement Markings at Crosswalks
    Goulias, Dimitrios ;
    Aljarrah, Osama
    2024-11-08 | PDF
    Pavement markings are crucial for ensuring the safe and efficient movement of vehicles, cyclists and pedestrians at crosswalks. They provide essential guidance in lane navigation, road sharing, and safety compliance. With growing emphasis on safety in urban areas, crosswalk markings are becoming more prevalent. The primary objectives of this projec ...
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