Indiana Harbor Belt GP40P-2 4010 (ex-Southern Pacific 7600; née-SP 3197) and GP40-2 4012 (ex-Union Pacific 1303, née-SP 7625) work the railroad's Blue Island Yard, as IHB slug 2021 (ex-IHB 3GS21B 2143, rebuilt into a slug after ten year of service) and GP40L 4021 (ex-YVRR 9552, née-Canadian National 9552) move a string of freight cars on an adjacent track. IHB 4010 is one of only three GP40P-2s ever built, all for the Southern Pacific's Bay Area commuter trains, and this is the former SP Bicentennial unit. (Hammond, Indiana - September 27, 2021)