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.
The Zuni Bowl and One Rock Check Dam Research Project, commissioned by the New Mexico Department of Transportation (NMDOT) and conducted by Rio Grande Return, investigates the effectiveness of Zuni Bowl and One Rock Dam structures as erosion control solutions for drainage issues affecting roadway infrastructure. This Phase 1A study aims to evaluate
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This research study addressed three key problems: 1) identifying safer, timely, and cost-effective solutions for removing accumulated debris from bridge piers, 2) designing and implementing countermeasures to prevent debris accumulation, and 3) finding technological solutions to enhance bridge inspection, scour detection, and mapping of river cross
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This research study addressed three key problems: 1) identifying safer, timely, and cost-effective solutions for removing accumulated debris from bridge piers, 2) designing and implementing countermeasures to prevent debris accumulation, and 3) finding technological solutions to enhance bridge inspection, scour detection, and mapping of river cross
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This study presents the development and validation of a web-based platform designed for the visualization, sharing, and processing of large-scale LiDAR point cloud data tailored to the operational needs of MassDOT. Leveraging open-source technologies, particularly Potree, the platform addresses key challenges associated with the management of high-
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A brief description of different modes possible in the proposed TransTexas Corridor (TTC) is initiated. The main modal alternatives, which include highway, high speed rail, and maglev are discussed in detail. Alternatives for financing the TTC infrastructure are discussed. A detailed financial feasibility of a maglev system along a hypothetical cor
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This report outlines the results of a comprehensive study focused on enhancing maintenance and inspection practices for mechanically stabilized earth (MSE) walls. The project was sponsored by the Arkansas Department of Transportation (ARDOT), and its central objectives were to formulate the best management practices for MSE wall maintenance and dev
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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
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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
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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
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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
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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.
Minnesota. Department of Transportation. Research Services & Library
2024-11-20
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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.
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
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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
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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
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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
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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
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Minnesota. Department of Transportation. Research Services & Library
2024-11-20
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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
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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
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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
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