Waldo is a ghost town in Santa Fe County, New Mexico, United States. The community was created along the Atchison, Topeka and Santa Fe Railway just west of Cerrillos. Today little remains, although the name appears on a freeway exit on Interstate 25, some distance to the west. Today, Waldo is a siding along the line of the BNSF Railway, which i…Waldo is a ghost town in Santa Fe County, New Mexico, United States. The community was created along the Atchison, Topeka and Santa Fe Railway just west of Cerrillos. Today little remains, although the name appears on a freeway exit on Interstate 25, some distance to the west. Today, Waldo is a siding along the line of the BNSF Railway, which is part of the former Atchison Topeka and Santa Fe Railway.