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

Pavements

Legacy ID
3221

FlexMAT™ Climatic Data Files

Use .csv files with the FlexMAT™ Rutting v2.1 analysis tool to successfully perform the asphalt pavement rutting analysis. This set of files includes an expanded MERRA2 temperature database from 2,798 locations across the United States, and 20 years (1996–2015) of temperature information....

FlexMAT™ for Rutting Tool Version 2.1

FlexMAT Rutting v2.1.1

FlexMAT™ for Rutting is an Excel-based analysis tool for characterizing rutting of asphalt pavement mixtures from AMPT test results. This includes analyzing the AMPT stress sweep rutting (SSR) test results (AASHTO TP134) to provide shift permanent deformation...

FlexMAT™ for Cracking Version 2.1

FlexMAT Cracking v2.1.1

FlexMAT™ for Cracking is a Microsoft® Excel-based analysis tool for characterizing dynamic modulus and cracking of asphalt pavement mixtures from Asphalt Mixture Performance Tester (AMPT) test results. This includes determining the 2S2P1D dynamic modulus...

Present Serviceability Rating (PSR) Estimation Workbook

psr-estimation-workbook-v1.zip

This PSR Estimation Workbook is the companion Microsoft® Excel® Workbook to the Federal Highway Administration’s Present Serviceability Rating Computation from Reported Distresses (Report No.: FHWA-HRT-21-041). The report provides an approach for...

Pavement and Materials

Together, the Pavement and Materials Research and Development (R&D) Program and the Accelerated Implementation and Deployment of Pavement Technologies (AIDPT) Program provide a coordinated and cohesive approach to research, development, and technology activities. The programs...