Understanding how train dispatchers manage and control trains : results of a cognitive task analysis
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2001-05-01
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Edition:Final Report; April 1998 - December 1998
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Abstract:This report documents the results ofaCognitive Task Analysis that examined how experienced railroad dispatchers manage and ; schedule trains in today's environment. The objective was to understand the cognitive demands placed on railroad dispatchers and ; the strategies that experienced dispatchers have developed in response to those demands, as an input to guide development and ; design of digital communication systems and advanced information displays. Ahybrid methodology was used that combined field ; observations at two railroad dispatch centers (one that primarily handles passenger trains and one that primarily handles freight ; trains) with structured interviews of experienced railroad dispatchers. ; The results reveal that dispatching is acognitively demanding task. Dispatchers have developed avariety ofstrategies that smooth ; the way for trains to pass through territories safely and efficiently and satisfy the multiple demands placed on track use. These ; include techniques to off-load memory requirements, extract information about train movement and track activity to support ; anticipation and planning, take advantage of windows of opportunity to satisfy the multiple demands placed on track use. and level ; workload. Many ofthese strategies depend heavily on communication and coordination among individuals distributed across time ; and space.
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Main Document Checksum:urn:sha-512:86137a9520e05c3052a619df31a7ef2a438e02c8a118b569d164a95b1efe71d3ce865914a66d969a51d929b0ed90cb0ee6d1f7453394f14b5aa0336cba7de831