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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Ballast Defects and Conditions—Importance of Identification and Repair in Preventing Development of Unsafe Combinations of Track Conditions

Document Series
Safety Advisories
Safety Advisory Number
2015-04
Subject Safety Advisories, Track, Tracks & Structures
Keywords
Safety Advisories, Track, Ballast
Document
SA 2015-04 Ballast--Final.pdf (54.7 KB)

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Effective Date: Thursday, August 20, 2015