Southbound Caltrain passing maintenance-of-way equipment parked beneath the Oyster Point Blvd overpass in South San Francisco.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 27mm, ISO 400, f/11, shutter 1/400 sec. Exposure, contrast, levels, highlights, and color adjustments in Aperture.