25-10-2012, 11:50 AM
Supporting Railroad RoadwayWorker Communications with aWireless Handheld Computer. Volume 1: Usability for the Roadway Worker
ABSTRACT
Communications in current railroad operations rely heavily on voice communications. Radio congestion impairs roadway
workers’ ability to communicate effectively with dispatchers at the Central Traffic Control Center and has adverse
consequences for the safety and efficiency of railroad operations. A prototype communications device was developed for
roadway workers to request train and territory information and to request track protection from the dispatcher. The device uses
a wireless data link to send and receive information in digital form. The data link device was designed to obtain real-time
information about train location without assistance from the dispatcher. The report describes the development of this device
and a usability evaluation to identify safety and productivity issues that must be addressed for successful implementation.