Out of service ACE train 3110 w/ a friendly crew at Tamien in San Jose, California. 

20230717
Date and time: July 17, 2023, at 8:13 A.M.
Track owner: Union Pacific Railroad
Number of tracks: 3 (2 on main line, 1 siding)
I went to the Tamien station to ride on a northbound Caltrain, and while waiting, an out of service ACE commuter train went by heading toward the siding where they park out just south of the Tamien station.