The Valla Switcher pulls into Los Nietos to swap trains as they pass the searchlight that acts as an approach signal for trains leaving the yard.
LOA36R works Valla Yard with an ex-MP GP38.
The Valla Switcher heads down the Brea Chemical Lead with a massive train as they approach their destination at Valla Yard.
The "Valla Switcher" crosses BNSF's San Bernardino Sub at Los Nietos with 40 cars bound for Valla Yard. A GP60 and GP38-2 power today's train.