Archaeologists and historians nominate structures to the Colorado State Register of Historic Properties (SRHP) to list them as a cultural resource worthy of preservation efforts. The crux of a successful SRHP structure nomination is the Significance Statement, on which the SRHP board assesses the structure’s ability to contribute to Colorado heritage. Researchers must present evidence to argue one of the five significance criteria (A-E); connecting the property to events (A), people (B), periods (C), geography (D), or new discoveries into history (E). However, no registrant has effectively argued the significance of a railroad passenger shelter under one of these criteria, resulting in no passenger shelters listed by the SRHP. Here I advocate for the nomination of the South Fork, Colorado Denver & Rio Grande Western (D&RGW) ‘Waiting Shed’ continued to be used from 1912 to 1942 due to its architectural components, historical context, and inscriptions. Specifically, I argue that the waiting sheds’ dated passenger inscriptions from 1912 to 1965—ranging from the journalistic to the perverse—warrant its eligibility under Criterion E: “The property contains the possibility of important discoveries related to prehistory or history” (History Colorado Office of Archaeology and Historic Preservation 2018:10). My results demonstrate how the waiting shed nomination has the potential to fill the gap in railroad structure types listed in the SRHP and contribute to our understanding of passenger lifestyles during Colorado’s railroad period (1869-1967)