This study collected and processed accurate trajectory datasets capable of characterizing human-automated vehicle interactions under a diverse set of scenarios in highway and city environments. Multiple methods were utilized to collect data: fixed location aerial videography, moving aerial videography, and infrastructure-based videography. Fixed lo
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This study explored the impact of work zone infrastructure on driver response when transitioning vehicle control from SAE International (SAE) Level 2 automation to the human driver (SAE 2014). Study participants drove a test vehicle at about 50 mph on a four-lane, undivided, closed-track highway. The participants drove two passes through a work zon
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The Kentucky Transportation Cabinet (KYTC) is an early adopter of e-Ticketing. KYTC conducted its first pilots on five asphalt resurfacing projects in the summer of 2018, and completed 41 e-Ticketing projects between 2018 and 2022. KYTC used a special note and bid item to include a fleet management solution for e-Ticketing for these projects. In re
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This summary report presents results from a study that established a relationship between truckload spectra and bridge service life at the national, regional, and State levels. Weigh-in-motion data and bridge inspection data were obtained nationwide from the Long-Term Pavement Performance (LTPP) and Long-Term Bridge Performance Programs (LTBP), res
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United States. Department of Transportation. Federal Highway Administration
2024-05-01
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PDF
North Dakota Department of Transportation (NDDOT) began piloting e- Ticketing in areas throughout the state beginning in 2018. The agency’s first attempts identified some minor issues that it needed to address, including unexpected or heightened costs, cellular coverage issues, and set up and training. After these initial experiences, NDDOT conclud
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United States. Department of Transportation. Federal Highway Administration
2024-05-01
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PDF
This report is required by Section 13006(d) of the Bipartisan Infrastructure Law (BIL) (enacted as the Infrastructure Investment and Jobs Act (Pub. L. 117-58, Nov. 15, 2021)), which directed the Secretary of Transportation to produce a report on Advanced Digital Construction Management System (ADCMS) technologies. It discusses advanced technologies
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United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-05-01
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PDF
This fact sheet highlights the efforts of the Federal Highway Administration's (FHWA's) efforts to enhance interoperable connectivity, which seek to build on existing open-source software applications for communication among all parts of a connected deployment, including vehicles, infrastructure, pedestrians, cyclists, and emergency services.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-05-01
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PDF
Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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This report explores the range of issues that agencies face in evaluating staffing needs to plan, implement, operate, and maintain traffic management systems (TMSs), with an emphasis on staffing needs at the traffic management center (TMC). As TMSs grow more complex and agencies migrate to their next generations, advanced technologies and new opera
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United States. Department of Transportation. Federal Highway Administration
2024-05-01
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PDF
This fact sheet focuses on traveler direct text messaging applications. Readers will understand how direct text messaging allows operators to do the following: Identify incidents more quickly; Verify incident details and location; Share incident information to facilitate incident response.Readers will also be able to identify the range of considera
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United States. Department of Transportation. Federal Highway Administration
2024-05-01
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PDF
In 2020, the California Department of Transportation (Caltrans) began preliminary piloted use of e-Ticketing on construction projects with hot mix asphalt (HMA). Caltrans limited use to partial segments of 12 projects from May 2021 until November 2022, when Caltrans had our first peer exchange with other State Departments of Transportation (DOTs) a
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United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center
2024-05-01
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PDF
The Transportation Pooled Fund (TPF-5) (385) study established a research consortium that provides participating agencies with guidelines on collecting data with Traffic Speed Deflection Devices (TSDDs), including how to apply and interpret the data and integrate it into pavement management system (PMS) decision making processes. The lack of availa
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United States. Department of Transportation. Federal Highway Administration
2024-04-30
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PDF
In the 1960s, during a major national expansion of the United States Interstate Highway System, the Minnesota Highway Department (now Minnesota Department of Transportation (MnDOT)) routed I-94 through the heart of the Twin Cities of Minneapolis and St. Paul, Minnesota. As was the case in many cities where construction of an interstate highway and
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United States. Department of Transportation. Federal Highway Administration
2024-04-24
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PDF
Change orders are the traditional mechanism used to address unforeseen conditions that arise during construction. Unfortunately, when unexpected traffic safety concerns are identified during the project, the time and labor required for processing and approving a change order may impede efforts to address the safety issues quickly and efficiently. E
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-04-24
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Special Issue - Weekly Motor Fuel Report
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PDF
The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-04-23
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PDF
On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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United States. Department of Transportation. Federal Highway Administration
2024-04-22
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PDF
A 1931 Graham-Paige Vehicle once used by the US Bureau of Public Roads (BPR), currently the Federal Highway Administration, is now in the possession of the Western Federal Lands Highway Division (WFL) in Vancouver, Washington.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2024-04-19
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ZIP
The Federal Highway Administration (FHWA) developed the innovative CARMASM Platform to encourage collaboration with the goal of improving transportation efficiency and safety. FHWA's interest in advancing Transportation Systems Management and Operations (TSMO) strategies with automated driving technology is focused on how infrastructure can move tr
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United States. Department of Transportation. Federal Highway Administration
2024-04-17
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PDF
The City of Denver is funding shared e-bike systems in neighborhoods with limited and unreliable transit access to advance its climate and equity goals. Voters created a local $40 million per year Climate Protection Fund (CPF) financed by a .25 percent local sales tax to fund climate initiatives, including a shared e-bike library in northeast Denve
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