United States Department of Transportation
i
Maintenance-of-Way (MOW) Employee Safety System-Phase 1 [Research Brief]
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2019-04-01
[PDF-280.04 KB]
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Alternative Title:Maintenance-of-Way (MOW) Employee Safety System: Phase 1
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Edition:Research Results
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Abstract:The Federal Railroad Administration (FRA) sponsored Transportation Technology Center, Inc. to develop a concept of operations (CONOPS) for a system capable of resolving the location of maintenance-of-way (MOW) workers and establishing working limits, and the initial applications that could utilize this data for enhanced safety and other potential functions. The proposed MOW Employee Safety System (MOWESS) is not a single system, rather it is a set of risk-reducing applications that are intended to improve MOW worker safety by reducing specific risks. The following applications were identified and are described in detail in the CONOPS: MOWESS Train Location Application, High Accuracy Train Location Application, Train Approach Detection Application, Watchman Warning System, and MOW Worker Position Monitoring. The CONOPS was developed based on operational use cases derived from MOW rules in the Code of Federal Regulations (CFR) and railroad operating rules, and potential hazards identified through a preliminary hazard analysis (PHA). The purpose of the MOW worker operational use cases was to describe current railroad operating practices and scenarios associated with establishing and maintaining roadway worker protection. The PHA identified potential hazards in each of these operational use cases and categorized them into hazard groups. These hazard groups identified the areas to address by the MOWESS. The work was guided by a railroad advisory group (AG).
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