Interior of a stack of track sections that had been taken up for replacement, piled next to the mainline in San Mateo, presumably awaiting collection for recycling.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 70mm, ISO 400, f/6.3 shutter 1/125 sec. White balance, exposure, contrast, saturation, highlights and shadows adjustments in Aperture.