May 17, 2005 -
Activation failures, which involved train/motor vehicle collisions that occurred at highway-rail grade crossings equipped with active warning systems.
SA-2005-03 -
Facilitates improved cooperation in the investigation of collisions at highway-rail grade crossings.
SA-2004-03
- Importance of restoring failed or malfunctioning highway-rail grade crossing warning systems to proper operation "without undue delay." This safety advisory supplements Safety Advisory 2002-01 issued on January 16, 2002, which addressed the importance of clear, precise, unambiguous railroad safety procedures to ensure the safety of highway-rail grade crossing warning systems or wayside signal systems that are temporarily removed from service.
SA-2004-02
- Importance of having clear safety and response procedures for use in the event of reports of railroad signal system problems.
SA-2002-01
- Importance of Clear Safety Procedures - Highway-rail grade crossing warning systems
SA-2000-02
- Recommended replacement of certain components in Harmon Industries'"Electro Code 4" and "Electro Code 4 Plus" intermediate signal units.
SA-2000-01
- Safety concerns involving Model B1 relays manufactured by General Railway Signal(GRS)