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 Ballast and Subgrade Materials Evaluation - Ballast and Foundation Materials Research Program

Document Series:
Technical Reports
Author:
  • M. R. Thompson
Report Number
FRA/ORD-77/32
Office
RRD
Subject:
Tracks & Structures, Evaluation
Keywords:
Subgrade, Ballast Performance, Conventional Railway Track Support System, Materials Testing, Material Properties
Report Number
FRA/ORD-77/32
Office
RRD
Document
1977_FAST BALLAST AND SUBGRADE MATERIALS EVALUATION BAL.PDF (4.72 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, December 1, 1977