USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
21

General Pavement Study Experiments

Following is a description of each of the General Pavement Study (GPS) experiments:

GPS-1: Asphalt Concrete (AC) on Granular Base

Sections in this experiment include a dense-graded hot mix asphalt concrete (HMAC) surface layer, with or without other HMAC layers...

LTPP Data Collection

The Long-Term Pavement Performance (LTPP) program monitors more than 2,500 asphalt and portland cement concrete (PCC) pavement test sections throughout the United States and Canada. A total of 934 LTPP test sections contain the common types of pavement in use in the United States (...

Pavement and Materials

Federal Highway Administration's (FHWA's) pavement and materials research and development (R&D) is concerned with all aspects of highway pavement engineering and management, including: long-term performance; structural design; material testing, evaluation, specification; mixture design ...

Human Factors

The purpose of Human Factors research is to understand all road user behavior, to further the understanding of roadway user needs so that those needs can be incorporated in roadway design, construction, repair, and improvement. All of the Federal Highway Association’s (FHWA's) strategies for...

Safety Data and Analysis

The primary purpose of the Safety Data and Analysis (SDA) research focus area, and the program of the same name in the Office of Safety Research and Development, is to provide information and tools to use that information for decisionmakers to maximize the benefits realized by safety initiatives...

Deployment/Innovation Delivery

The Federal Highway Administration (FHWA) has embraced a culture of innovation and actively supports and advances innovation across the breadth of FHWA activities. FHWA has woven innovation into its business practices. Innovative technologies are developed at its world class Turner-Fairbank...

ELCSI-PFS 2014 TAC Meeting Ballot

2014 ELCSI–PFS TAC Ballot Summary Introduction to the ELCSI–PFS and TAC Ballot

The FHWA Evaluation of Low Cost Safety Improvements Pooled Fund Study (ELCSI–PFS) was established in 2004. Its goal was—and continues to be—to develop reliable estimates of the effectiveness of the safety...

Research and Development Projects Overview

The Federal Highway Administration (FHWA) managers and staff responsible for research and technology (R&T) in particular functional areas develop and set their own R&T agendas, which reflect FHWA's mission, support strategic goals, and engage internal and external stakeholders.

...