An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
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.
This report highlights advances in understanding the prestressing steel and concrete properties that affect the transfer length (TL) in pretensioned concrete crossties. Transfer length values in pretensioned concrete ties are highly dependent on the type of wire indentation pattern used and the...
FRA takes care to ensure the accuracy and completeness of all data in each annual enforcement report. Information in each of FRA’s annual enforcement reports is based on information that FRA had at the time that the agency issued the report. If FRA receives more...