Flyover at Santa Fe Junction This BNSF stack train was heading west over the flyover, also known as the Argentine Connection, at Santa Fe Junction , back in September 2005. This photo was taken from the observation deck of the Liberty Memorial. The Santa Fe Junction area is vast and complex, with three levels of distinct rail lines. The highest level is the flyover, which now serves as the primary way that BNSF trains get from the KCT tracks at Kansas City Union Station (outside of the photograph on the right) to Argentine Yard in Kansas City, Kansas . The flyover carries KCT tracks AC1 and AC2 above the lower levels; the stack train is on track AC2. The middle level, is the KCT Highline Bridge that passes under the flyover, and carries rail traffic over the Kansas River. Once this bridge gets to the Kansas River, it becomes a double-deck bridge. You can see the Highline Bridge as it crosses the Kansas River in the upper right corner. A pair of tracks on the ground ...