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.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on the CDC website.

United States Department of Transportation United States Department of Transportation

Evaluation of the Degradation of Concrete Ties Using Machine Vision Technology on High-Speed Rail Corridors

Document Series
Technical Reports
Author
Federal Railroad Administration
Report Number
DOT/FRA/ORD-18/26
Office
RPD-31
Subject High-Speed Passenger Rail
Keywords
Concrete tie, concrete crosstie, tie degradation, cracked tie, concrete tie conditions, tie maintenance, tie replacement, tie inspection, tie grading, tie assessment, Northeast Corridor, concrete tie grades
Evaluation of the Degradation of Concrete Ties Using Machine Vision Tech.._.pdf

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact FRAWeb@dot.gov.
Last updated: Wednesday, July 25, 2018