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  20
Aug
2015
Safety Advisories
Ballast Defects and Conditions—Importance of Identification and Repair in Preventing Development of Unsafe Combinations of Track Conditions

Subject
                    Safety Advisories,
                    Track,
                    Tracks & Structures

**Keywords:** Safety Advisories, Track, Ballast
**Abstract:** FRA is issuing this safety advisory to emphasize the importance of timely repairing ballast defects and conditions on main tracks.  FRA notes that ballast defects and ballast...
Safety Advisory Number
              2015-04
    9
Jul
2012
Safety Advisories
Buckling-Prone Conditions in Continuous Welded Rail Track

Subject
                    Continuous Welded Rail,
                    Rail and Infrastructure Integrity,
                    Track,
                    Tracks & Structures

**Keywords:** Continuous Welded Rail; CWR

Safety Advisory Number
              2012-03
    5
Dec
2011
Safety Advisories
Bridge Walkway Hazards

Subject
                    Bridge and Structures Safety,
                    Tracks & Structures

**Keywords:** Bridge and Structures Safety; Grating; bridge worker; scaffolding; timber tie

Safety Advisory Number
              2011-03
    1
Oct
2010
Safety Advisories
Signal Recording Devices for Highway-Rail Grade Crossing Active Warning Systems that are Interconnected with Highway Traffic Signal Systems

Subject
                    Highway-Rail Grade Crossings,
                    Signal and Train Control

**Keywords:** I�96�10; I�96�11 ; NTSB; active railroad warning systems

Safety Advisory Number
              2010-02
    22
Jan
2010
Safety Advisories
Identification and Handling of Highway-Rail Grade Crossings with Vertical Profile Conditions

Subject
                    Highway-Rail Grade Crossings

**Keywords:** Highway-Rail Grade Crossings; Low ground clearance; AASHTO Green book; vertical profile

Safety Advisory Number
              2009-03

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