404. That’s an error.

The requested URL /translate_c?depth=1&hl=de&prev=search&rurl=translate.google.at&sl=en&sp=nmt4&u=http://www.dot.ca.gov/hq/env/noise/pub/2006_protocol.pdf&usg=ALkJrhiXL4C7EDPdIozgyO9TGR1acNiqoQ was not found on this server. That’s all we know.