Several sets of railroad tracks merge and cross and disappear into the background, which shows a train yard in the far background that is lit by a row of bright lights.
Apr 2016

Rail Safety 2016

In any design, major human major issues can lead to overt performance errors. But "minor" usability issues - often dismissed - add up. Cumulatively they lead to reduced performance, delayed responses, increased cognitive workload, and for safety critical systems, dangerous disruptions to situation awareness.

Human Factors & Research Manager Carolynn Johnson recently discussed these issues at the 2016 Rail Safety Seminar.