Field testing using various non-destructive testing (NDT) methods was performed on the reinforced concrete deck of the I-129 Bridge over the Missouri ...
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2021-01-01
Abstract:
Access management refers to the design, application, and control of entry and exit points along a roadway. This includes intersections with other road...
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2021-01-01
Abstract:
Backplates added to a traffic signal head improve the visibility of the illuminated face of the signal by introducing a controlled-contrast background...
Within the state of Indiana, there are approximately 9,000 structures with unsupported span lengths that range from 4 ft to 20ft that the Indiana Depa...
This report applies concepts of organizational theory, specifically related to organizational structure, to explore ways in which organizational model...
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-02-24
Abstract:
The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any ana...
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-01-29
Abstract:
The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares ...
Lifecycle cost analysis (LCCA) is an engineering economic analysis tool that compares the relative merit of competing project implementation alternati...
The purpose of this document is to ensure consistent and efficient management of State Planning and Research, Subpart B (SPR-B) work programs by Feder...
The purpose of this newsletter is to highlight the topics of various Federal Highway Administration research, which include: Traffic Optimization for ...
This user guide is intended for use alongside the Federal Highway Administration (FHWA) report Safety Comparisons Between Interchange Types (forthcomi...
Moisture damage in asphalt mixtures can cause early cracking and rutting failures due to the internal damage accumulated by the high internal pore pre...
United States. Federal Highway Administration. Office of Highway Operations ...
1985-03-01
Abstract:
This training package has been developed to address the area of asphalt pavement construction. It includes as an introduction, the identification of s...
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2005-01-01
Abstract:
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 c...
The coarse aggregates used for Portland Cement concrete in southwest Iowa have exhibited a poor serviceability. This early failure is attributed to a ...
This manual describes how to use the Iowa Bridge Backwater software, version 3.0. It also documents the methods and equations used for the calculation...
As a result of the considerable differences in mass between vehicles and trains, crashes at highway-rail grade crossings (HRGCs) often result in sever...
United States. Department of Transportation. Federal Highway Administration
1983-02-01
Abstract:
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 c...
Pedestrian safety is critical to improving walkability in cities. Although walking trips have increased in the last decade, pedestrian safety remains ...
The UC Davis Campus Travel Survey is an annual survey led by Transportation Services (TS) – formerly known as Transportation and Parking Services (T...
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