The Snowy Arch. Amtrak Train 313 (Missouri River Runner) is an on time departure from St. Louis, MO on the late afternoon of Sunday, December 15, 2019. A snow storm hit the city that morning with great intensity, continuing at a lighter but notable pace throughout the day. Siemens Charger SC44 4620 leads a seven car train of a horizon cafe, three revenue coaches, and three baggage cars normally only used for axle count as it begins the five hour and forty minute journey to Kansas City, MO. A two car Metro Bi-State light rail train passes on the adjoining track.