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

FAST/HAL Ballast and Subgrade Experiments

Document Series:
Technical Reports
Author:
  • M. Carmen Trevizo
Report Number
FRA ORD-91/10
Office
RRD
Subject:
Evaluation
Keywords:
Subgrade, Heavy Axle Load, Facility for Accelerated Service Testing
Document
1991_FAST HAL BALLAST AND SUBGRADE EXPERIMENTS.PDF (10.1 MB)

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 FRADevOps@dot.gov.
Last updated: Thursday, August 1, 1991