This case study covers the overall building information modeling (BIM) for infrastructure approach used in the Kew Gardens Interchange (KGI) project, as well as considerations for model development and positive impacts to the project as a result of BIM use.
Alkali—silica reaction (ASR) is a chemical distress mechanism that adversely affects the service life of concrete pavements. Key aspects of the reaction, such as the roles of calcium and aluminum on the structure of the gel and their correlation with swelling properties, have not yet been fully understood owing to the complex reaction mechanism. Th
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This study investigated the safety effectiveness of the flashing yellow arrow (FYA) treatment at signalized intersections. One objective of this strategy was to reduce the frequency of left-turn (LT) crashes, especially those that involve a collision between left turns and vehicles traveling straight through from the opposite direction (also called
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-06-01
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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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United States. Department of Transportation. Federal Highway Administration. Office of Safety
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2020-06-01
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Intersection Control Evaluation (ICE) is a data-driven, performance-based framework and approach used to objectively screen alternatives and identify an optimal geometric and control solution for an intersection. A growing number of transportation agencies are developing and adopting ICE policies. Although there are differences among these ICE poli
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The Federal Highway Administration’s (FHWA) NDE Laboratory has developed an NDE Web Manual, a web tool for assisting bridge practitioners with the selection of NDE technologies for the condition assessment of bridge decks and superstructures. This manual presents a comprehensive selection on and descriptions of NDE technologies to fill a gap betwee
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This Report presents summary findings form the 2019 ITS JPO Connected Vehicle (CV) and Automated Vehicle (AV) Survey. The survey was administered online to freeway, arterial and transit agencies from 78 large metropolitan areas and 30 medium size cities (the same survey population as previous Deployment Tracking Surveys). Online data collection ran
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Construction inspectors advance e-Construction practices by working with digital inspection technology such as global navigation satellite system rovers, mobile devices, and e-ticketing. However, the use of digital design data during construction has been limited—until now. The industry is shifting toward maximizing the use of digital data across p
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2020-06-01
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PDF
The Pedestrian and Bike Forum newsletter provides information to FHWA stakeholders on reducing the number of pedestrian- and bicycle-related highway fatalities and serious injuries. Topics include updates on FHWA programs, spotlights on State and local noteworthy practices, initiatives with partner organizations, and upcoming events. It is publishe
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Every Day Counts (EDC) is the Federal Highway Administration’s program to advance a culture of innovation in the transportation community in partnership with public and private stakeholders. Through this State-based effort, FHWA coordinates rapid deployment of proven strategies and technologies to shorten the project delivery process, enhance roadw
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