Burlington Northern crossing of Union Pacific at Central City, Nebraska on August 22, 1980. The view is looking west along the Union Pacific. Photo by Howard Patrick.

Burlington Northern diesel locomotive 5929 leading an eastbound coal empty, crossing the Union Pacific at Grand Island, Nebraska on August 22, 1980. Number 5929 is a U30C built by General Electric (GE). Photo by Howard Patrick

Burlington Northern diesel locomotive 6168 leading the Burwell local from Aurora to Burwell, crossing the Union Pacific at Central City, Nebraska on August 22, 1980. Number 6168 is an SD9 built by Electo Motive Division (GM) builder's number 20576. Photo by Howard Patrick

Burlington Northern mainline crossing the Chicago & North Western at Rochelle, Illinois on October 29, 1981. Photo by Howard Patrick.

Railfans watching BNSF stack train at crossings of BNSF and Union Pacific in Rochelle, Illinois on August 10, 1996. Photo by Howard Patrick.

Railfans watching BNSF stack train at crossings of BNSF and Union Pacific in Rochelle, Illinois on August 10, 1996. Photo by Howard Patrick.

Railfans at crossings of BNSF and Union Pacific in Rochelle, Illinois on August 10, 1996. Photo by Howard Patrick.