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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Validation Report: Traffic Noise Model 3.0

Published Date:

2020-12-31

Abstract:

The Federal Highway Administration (FHWA) with the assistance of the Volpe Center Acoustics Facility conducted a study to quantify the agreement of FHWA’s Traffic Noise Model Version 3.0 (TNM 3.0) with measured highway noise data and with predictio...

File Type:

[PDF - 20.62 MB]
Instrumentation and 5-Year Performance Monitoring of a GRS IBS in St. Lawrence County, NY

Published Date:

2020-05-01

Abstract:

One of the first Geosynthetic Reinforced Soil—Integrated Bridge System (GRS-IBS) projects to be instrumented and evaluated under the Federal Highway Administration's (FHWA's) Every Day Counts program was a replacement bridge along County Road 47 ov...

File Type:

[PDF - 5.86 MB]
An Introduction to Spectroscopy for Pavement Engineers [technote]

Published Date:

2020-05-01

Abstract:

This TechNote serves as an introduction to spectroscopy, including explaining the science behind spectroscopic test methods. Details for developing a purchase specification for a spectrometer are also included.

File Type:

[PDF - 5.33 MB]
Research Utilizing SHRP2 Data to Improve Highway Safety: Development of Speed—Safety Relationships

Published Date:

2020-04-01

Abstract:

The objective of this research was to examine the link between driving speed and crash experience on roadway segments, taking into account roadway characteristics that influence speed and crash frequency and severity. A potential outcome of the resea...

File Type:

[PDF - 2.28 MB]
FHWA's Fostering Multimodal Connectivity Newsletter - April 2020

Published Date:

2020-04-01

Abstract:

The Federal Highway Administration's (FHWA's) Fostering Multimodal Connectivity Newsletter is intended to provide transportation professionals with real-world examples of ways that multimodal transportation investments promote economic revitalization...

File Type:

[PDF - 928.49 KB]
How to Determine the Silica Content of Limestone Aggregates at the Quarry in 20 Minutes with No Sample Preparation [techbrief]

Published Date:

2020-04-01

Abstract:

This Tech Brief proposes a method for measuring the amount of silica in limestone aggregates using x ray-fluorescence (XRF) spectroscopy.

File Type:

[PDF - 1.17 MB]
Technote: Synthesis - The Reduction and Analysis of Pavement Profiler Data to Quantify the Bump at the End of the Bridge

Published Date:

2020-03-01

Abstract:

The primary objective of this synthesis was to identify different available methods that use inertial profilers to quantify ride quality at bridge approaches. To understand current quantification techniques, this TechNote includes information and res...

File Type:

[PDF - 2.77 MB]
Techbrief: Quickly Analyzing Thermoplastic Road-Marking Material for Titanium Dioxide

Published Date:

2020-03-01

Abstract:

This Techbrief describes a method to quickly analyze thermoplastic road-marking material for titanium dioxide.

File Type:

[PDF - 274.93 KB]
Public Roads: Spring 2020

Published Date:

2020-03-01

Abstract:

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...

File Type:

[PDF - 9.31 MB]