This one should be very popular as there are a lot of S's out there! I'll start off with the most famous, "SOUTHERN PACIFIC". You can't do SP with-out showing tunnel motors! SD45T-2 #9364 on Cajon Pass SD45T-2 #9318 on Tehachapi Pass SD40T-2 #8528 at Woodford on Tehachapi Pass Dan
Then there were the SD45's SD45 #7405 at Walong on Tehachapi Pass SD45 #7399 at Tehacahpi, CA. 1984 SDP45 #3206 at San Jose, CA. 1970