The Parry brothers had previously operated a shuttle service from the Los Angeles and Salt Lake Railroad to St. George, Utah which started in 1915; the new transportation concession operated with a fleet of used vehicles: one seven-passenger Hudson, a Ford Model T, and three Cadillacs.
The tunnel was not initiated until it was apparent that Bryce Canyon would be added to the National Park System.
[3] As the twentieth century progressed, railroad passenger traffic declined and the Union Pacific's interest in supporting National Park tourism correspondingly lessened.
)[4]: 12, 16 Underwood's surviving Utah Parks Company buildings are considered exceptional examples of the Rustic style of architecture, and are listed on the National Register of Historic Places.
With up to 39 travelers per tour, the groups took over the El Escalante, which offered only 23 rooms, and some were forced to share bathrooms.