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 of a Cognitive 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. A hybrid 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 a cognitively demanding task. Dispatchers have developed a variety of strategies 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 of these strategies depend heavily on communication and coordination among individuals distributed across time ; and space.
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Main Document Checksum:urn:sha-512:922cfab365db1eefb55162478fa8af3891b7d04e830b4f48e49bfb9e019675756bc95ac7af8213ef06a9d271d589601594305378885f646cb79adfca56b11251