The geo train heads into Torrance with a couple retrofitted passenger cars.

The BNSF GEO train (geometry train) nearly finishes the last miles of its Harbor Sub survey as it heads back to Watson Yard.

The BNSF GEO train (geometry train) nearly finishes the last miles of its Harbor Sub survey as it heads back to Watson Yard.

The BNSF GEO train (geometry train) shoves south from El Segundo with a picture window leading the way over Monoco Hill.

The BNSF GEO train (geometry train) heads under the 110 Freeway and is about to duck under Vermont Avenue as surveys track conditions on the stub remnants of the old Harbor Sub.

A BNSF track geometry train heads through Lawndale on an inspection of the Harbor Sub, with car "Rio Grande" on the rear.