It operates passenger excursion trains along a line between Heber City and Vivian Park, which is located in Provo Canyon.

Notable landmarks seen from the train include Mount Timpanogos, Cascade Mountain, Deer Creek Dam and Reservoir, Provo River, Sundance Ski Resort, Tate Barn, and Soldier Hollow.

The line was originally proposed as part of the Utah Eastern Railway a RGW backed plan to build a railroad through Provo Canyon and into Colorado via way of the Duchesne River, but this proposal was abandoned leaving the railroad terminus in Heber City.

After the start of heritage rail services, the D&RGW kept the lower end of the branch line intact until 1971, when it was finally pulled up for scrap.

110 in the late 1960s and began eyeing the soon to be dismantled Heber City branch as a potential location to restore the engine to operation (although No.

110 would be stored at Heber it wouldn't be restored to operation until it was sold to the Black Hills Central Railroad years later).

[5] In the ensuing financial dispute the Utah Department of Transportation rejected an early state offer to the Ashtons for the state to buy the railroad line upon recognizing that the Ashtons had improperly documented the titles and ownership records of much of the locomotive and equipment used by the railroad.

[6] With increasing issues mounting, the last private "Heber Creeper" train ran October 27, 1990 and the line went into bankruptcy.

Operations resumed in July 1992, while remaining unused equipment was sold to the Nevada State Railroad Museum (with pieces being moved to Boulder City into 1993).

93 steam-engine, in pulling eight-car trains full of passengers, to the Soldier Hollow depot where they disembarked and continued to the venue entrance on a horse-drawn sleigh.

[9] The day prior to the Opening Ceremony of the games, all three locomotives were combined into one triple-headed train, and used to transport the Olympic flame from Soldier Hollow to Heber City as part of the torch relay.

300 from the Geneva Recreation Assoction in 2003 to bring to Heber as a potential restoration candidate, but plans to restore the engine were dropped upon full inspection of the engine and shortly afterwards the departure of then Chief Mechanical Officer John Rimmasch from the railroad.

[19][20] The line was temporarily closed from Vivian Park to Decker Bay Siding starting in 2022 to accommodate expansion and rehabilitation projects along the Provo Canyon trail.

[22] The railroad added a pair of former Rio Grande flangers to the roster for snow removal in 2024.

[24] The railroad can be seen from various points along U.S. Highway 189 between Heber City and Vivian Park and the whistle can be heard throughout the valley.

618 ran limited capacity and was then taken out of service for a 1,472-day inspection and major overhaul, as required to meet Federal Railroad Administration (FRA) safety standards in 2010.