This semi truck and trailer hit and demolished a traffic signal at the corner of Water and Mechanic Street on Friday, Jan. 3, at about 9:25 a.m., according to Decorah Police. Officers were unable to read the lettering on the truck cab. The driver did not stop or report the incident. The Department is seeking any information on the truck. Anyone with more information should contact Decorah Police at 563-382-3667.