The CSX worker who discovered his friend run over by a pair of remote-control locomotives in a rail yard last year sees a simple solution to preventing similar deaths in the future: two-person crews.

The 25-foot-tall sculpture was the creation of architect Antoine Predock, who identified with the mobile cluster.

The optimisation of railroad classification yards is a critical area of research within the broader field of transport logistics. These yards are complex operational hubs where inbound trains are ...