Requiring the commissioner of transportation (DOT) to establish a pilot project at the intersection of trunk highway 169 and Pioneer trail in Hennepin county to test the feasibility and desirability of using photographic evidence as a future basis for issuing citations for failure to obey traffic signals, specifying certain photograph clarity and imprint requirements; requiring the mailing of a warning ticket and the photographic evidence to violators; prohibiting use of the photographs as evidence in civil or criminal actions; requiring a commissioner report to the legislature by a certain date on the results of the project (ra)