Travel time reliability has direct economic impacts on the decisions of logistics firms and delivery vehicles, and the service levels ultimately experienced by shippers, firms, and consumers. Underlying all measures of travel time reliability is the variability of travel times experienced along individual links, by various modes, at junctions and i
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Section 6020 of the Fixing America’s Surface Transportation Act established the Surface Transportation System Funding Alternatives (STSFA) Program to provide grants to States or groups of States to demonstrate user-based alternative revenue mechanisms that utilize a user-fee structure to maintain the long-term solvency of the Highway Trust Fund. In
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This technical report provides an assessment of State automated permitting systems for the U.S. Department of Transportation. Automated permitting systems allow for the issuance of permits for oversize and overweight vehicle loads 24 hours per day, 7 days a week.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-05-01
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National Travel Time Dashboard: Interstate Highways
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The Monthly Urban Congestion Report (UCR) provides a state-level overview of traffic congestion and reliability trends on Interstate highways. Published every month, the report compares data from the most recent month with the same month in the previous year. It uses travel time data from the Federal Highway Administration’s National Performance Ma
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United States. Department of Transportation. Federal Highway Administration
2024-05-01
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Traffic management systems (TMSs) operated by State departments of transportation (DOTs) are faced with challenges in monitoring, collecting, or sharing information with travelers in advance of their reaching en route destinations where travel decisions may be influenced by traffic information. The prevalence of mobile devices connected to third-pa
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United States. Department of Transportation. Federal Highway Administration
2024-05-01
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PDF
Traffic Management Systems (TMSs) should have the ability to quickly share information on detected incidents, the response to incidents, and coordination with the appropriate agencies, emergency service providers, and stakeholders. Incident-related information may also need to be shared with various offices within an agency or the public. TMS staff
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This report provides initial thoughts on how the strut-and-tie method (STM) can be used with ultra-high performance concrete (UHPC) disturbed regions, such as those near supports and the points of application of concentrated loads at strength and extreme limit states. A brief background on STM and plastic design methodology is provided for context.
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This report presents the independent evaluation results of Washington State Transportation Commission’s (WSTC) road usage charge (RUC) pilot. The pilot received fiscal year (FY) 2016 and 2017 funding under the U.S. Department of Transportation’s (USDOT) Surface Transportation System Funding Alternatives (STSFA) program. The FY 2016 and FY 2017 fund
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Engineers and bridge owners have widely used nondestructive evaluation (NDE) methods for the assessment and inspection of reinforced concrete structures. The creation of reference specimens featuring structural defects commonly encountered in the field is crucial for enhancing understanding of NDE technologies and certifying NDE service providers.
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This report highlights challenges, opportunities, lessons learned, practices, and issues agencies may consider in the process of updating or developing a concept of operations (ConOps) and the associated requirements for a current traffic management system (TMS) or the next generation of an agency’s TMS. It addresses how the ConOps and requirements
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-05-01
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Special Issue - Weekly Motor Fuel Report
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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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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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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.
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