Rebuilding the UP container yard in Los Angeles near the 710 and 5 freeways.
It is designed it to run full length unit trains.
Next will be the BNSF yard near Redondo Jct.
UPDATE 2017
The route starts in Santa Clarita then runs south to Mission Jct via Taylor yard, then off to the UP container yard in Vernon.
Everything in under different stages of construction.The track work is done but needing some corrections.
Included but not limited to the following:
Santa Clarita
Newhall cutoff (Santa Paula WYE)
Sylmar
San Fernando
Pacoima
Sun Valley
Burbank (including Chandler branch and the Coast line diverge)
Glendale
Taylor yard (Highland Park)
River Station (West bank line)
Bullring
Mission Jct
LAUPT
LATC (East bank line)
Alhambra (East line)
Amtrak shops (West bank)
Flyover
Alameda Corridor
UP Container yard (Commerce)
Redondo Jct (under construction)
Below are map shots to give a look at how big this thing is.