Unmanned aerial systems (UAS) are being used to change the way data are collected for land surveying. By utilizing sensors that provide high-resolution images or light detection and ranging (LiDAR), or both, on small UAS, the systems enable the collection of highly accurate data with a high density of data points collected. By utilizing photogramme
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2019-12-01
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Urban Congestion Report (UCR)
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The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
This research project used the Second Strategic Highway Research Program (SHRP2) Naturalistic Driving Study (NDS) to improve highway safety by using statistical descriptions of normal driving behavior to identify abnormal driving behaviors in work zones. SHRP2 data used in these analyses included 50 safety-critical events (SCEs) from work zones and
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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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The Federal Highway Administration's Long-Term Bridge Performance (LTBP) program issues a quarterly newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, and data analysis.
Learning in Progress, NHI's quarterly newsletter, provides updates on new course launches, upcoming Web conference seminars, training programs and events, and NHI policy changes.
There are approximately 615,000 bridges in the United States. Many of these bridges serve as critical parts of the transportation network locally, regionally and nationwide, and are essential for transportation of goods and people before, during and after extreme natural hazards. This report presents a detailed study on engineering post-hazard asse
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The Federal Highway Administration (FHWA) organized a pooled fund study of 40 States to evaluate low-cost safety strategies as part of its strategic highway safety effort. The purpose of the FHWA Evaluation of Low-Cost Safety Improvements Pooled Fund Study is to evaluate the safety effectiveness of high-priority, low-cost safety strategies through
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Proven uses for small unmanned aerial systems (UAS) include structural inspections (bridge, high mast lighting, confined space, retaining walls, and tunnels), construction inspections (surveying, routing, quantities, project scoping, and work zone traffic monitoring), and emergency response (flooding events, wind events, landslides, mudslides, volc
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This report introduces the fundamentals of Artificial Intelligence (AI) technologies and potential areas of AI applications in Transportation Management Center (TMC) operations; documents successful AI applications and lessons learned in TMC operations; showcases TMCs using AI to improve their operations; and identifies needs for future studies on
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2019-12-01
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PDF
Unforeseen needs often arise during the construction phase of a project. These needs may result in expensive and time-intensive change orders. By developing a safety contingency line item as part of the project estimate phase, TxDOT can address and mitigate numerous challenges during active operations. As a result, the State has seen a significant
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-12-01
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Public Roads
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Public Roads is the quarterly magazine of the Federal Highway Administration (FHWA). Reading Public Roads is the easiest way to keep up-to-date on developments in federal highway policies, programs, and research and technology. More specifically, the magazine "covers" advances and innovations in highway/traffic research and technology, critical nat
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-12-01
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Analysis of statewide crash data often shows a significant portion of fatalities and serious injuries occurring on locally owned roadways. To achieve the long-term goal and vision of zero fatalities on our nation’s roadways, States should consider safety improvements on the local system. States use local road safety programs to supplement State roa
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-12-01
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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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Seven years ago, the Alaska Transportation Working Group published its first-ever long-range transportation plan for Federal lands in Alaska, the 2012 Alaska Federal Lands Long Range Transportation Plan (LRTP). This plan was a collaboration between a wide range of partners – the Bureau of Land Management, National Park Service, U.S. Fish and Wildli
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Five portland cement concrete (PCC) and five asphalt concrete (AC) pavement locations at each of seven field testing sites in the central and eastern United States represented a range of aggregate types, pavement surface ages, and climates. Albedo, thermal properties, and pavement surface characteristics data were collected, and cores were obtained
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This document is intended to provide decision makers with an objective appraisal of the physical conditions, operational performance, and financing mechanisms of highways, bridges, and transit systems based on both their current state and their projected future state under a set of alternative future investment scenarios. It consolidates conditions
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TRX developed a NEON® Smart Wayfinding and Navigation (SWaN) service that delivers the underlying location and routing capabilities required to allow application developers to provide travelers with real-time location and en-route assistance and situational awareness, including within complex urban transport structures. These core indoor location a
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2019-11-14
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PDF
This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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Black Hawk County Metropolitan Area in Northeast Iowa has a population of 123,521, along with an extensive regional trail network with upwards of 115 miles of trails and more planned for construction. However, the trail system was hard to navigate, and thus not being fully used by visitors and residents. Local communities and the region's associati
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