Running 13 hours late and pulled by a pair of BNSF diesels (7368 and 5454), Amtrak train 3, the westbound Southwest Chief, takes Track 3 - the original mainline, and at 3% also the slightly steeper line - down Cajon Pass on July 13, 2019. Traveling east on Main 1 is BNSF train Q-LACALT6-13, traveling from Los Angeles to Alliance TX behind BNSF 7096, BNSF 6930, BNSF 6757 and NS 7618. (Silverwood, Cajon Pass California - July 13, 2019)