Volpe National Transportation Systems Center, Technical Reference Center

Federal Highway Administration
This collection contains reports and resources from the Federal Highway Administration (FHWA). Bookmark this collection: https://rosap.ntl.bts.gov/collection_fhwa

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Utilizing Mobile Ad Hoc Networks to Enhance Road Safety

Published Date:

2020-09-18

Abstract:

According to analyses by the National Highway Traffic Safety Administration (NHTSA), connected vehicle innovations could reduce crashes, injuries, and fatalities by 50 percent. There are places and times, however, where there will be a need to supple...

File Type:

[PDF - 1.04 MB]
Supplementary Cementitious Material Advancements: Helping to Make Longer Lasting Concrete Highways and Transportation Structures

Published Date:

2020-09-18

Abstract:

Fly ash, a supplementary cementitious material (SCM), is an important constituent in the production of concrete. Although demand for SCMs is increasing, the amount of fly ash produced by coal-fired power plants is decreasing, and so the transportatio...

File Type:

[PDF - 1.21 MB]
Researching Novel Approaches for Aging Resistant Binder Technologies

Published Date:

2020-09-18

Abstract:

State Departments of Transportation (DOT) use chemical modifiers to improve the durability and longevity of asphalt roads and pavements and reduce costs. However, in some cases with new materials, it can be hard to gauge when, how, or why different m...

File Type:

[PDF - 1.47 MB]
Coating Performance on Existing Steel Bridge Superstructures

Published Date:

2020-09-01

Abstract:

This study evaluated the performance of four coating systems applied on chloride-contaminated steel substrates. The purpose of the study was to identify coating systems that can provide extended service life for steel bridges with minimal surface pre...

File Type:

[PDF - 2.89 MB]
Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 32

Published Date:

2020-08-09

Abstract:

The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passe...

File Type:

[PDF - 261.33 KB]
Special Issue - Weekly Motor Fuel Report: Office of Highway Gasoline Product Supplied for Fiscal Year Week No. 45

Published Date:

2020-08-07

Abstract:

The Weekly 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 const...

File Type:

[PDF - 294.27 KB]
Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 31

Published Date:

2020-08-02

Abstract:

The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passe...

File Type:

[PDF - 237.24 KB]
Leveraging Augmented Reality for Highway Construction

Published Date:

2020-08-01

Abstract:

Challenges in highway construction management and field operations include the lack of integrated information that can be obtained in real time, gaps between planned solutions and practical implementations, a lack of established quality assurance (QA...

File Type:

[PDF - 590.46 KB]
Evaluation of Holes Fabricated Using Plasma Arc Cutting