A warning sign at the end of the rail bridge over Interstate 280 in San Jose. What it is warning of is not entirely clear.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 40mm, ISO 400, f/6.3, shutter 1/1250 sec. Exposure, contrast, saturation, levels, and highlights adjustments in Aperture.