SW1500 SLSF 319 - BN 24 - BNSF 3404 SW1500 SLSF 319 - BN 24 - BNSF 3404 Locomotive helps switch the east end of the Lindenwood Yard, St. Louis, MO on December 15, 2004. The SW1500 is now remote control equipped. Photographs by Rich Lawler.