Union Pacific’s Big Boy No. 4014 has left its ... the original route of the transcontinental railroad in dome passenger cars — through Donner Summit — which is known for its solid granite ...

First of two parts Before jets dominated air travel and a fully developed, publicly funded interstate highway system ...

For part of its journey, the Big Boy's consist will include an assortment of rail cars giving spectators ... During the tour, the Union Pacific Museum will host a special passenger trip.