Investigations contact information
To request information, ask questions or to file a complaint related to investigative duties and responsibilities, please contact us at the toll-free number above or via e-mail. These are the primary points of contact for an investigator. The toll-free line and e-mail are operated by the Iowa DOT's Office of Motor Vehicle Enforcement investigative staff. The hours of operation for the toll-free telephone are Monday through Friday 8:30 a.m. to 3:30 p.m. This line receives numerous calls during the day so if you reach a busy signal, please try your call again later. E-mails sent will be responded to promptly.