City of Des Moines v. Iowa Department of TransportationAnnotate this Case
The Iowa Department of Transportation (IDOT) did not have the statutory authority from the legislature to promulgate administrative rules regulating automated traffic enforcement (ATE) systems located along primary roads.
The enforcement of the IDOT’s rules resulted in three cities being ordered to relocate or remove several of their ATE cameras. The district court upheld both the IDOT’s rules and its decisions based on those rules. The Supreme Court reversed, holding that the rules were invalid and could not be enforced against the cities because the IDOT’s specific grants of authority did not support the rules.