The prohibition covers trucks with a Gross Vehicle Weight Rating or a Combined Gross Vehicle Weight Rating of 19,501 pounds or more. Exceptions are made for trucks delivering or picking up goods or performing services at local businesses; and for government-owned vehicles. Violations of this ordinance may result in a fine of up to $500.
The City of Carmel enacted an ordinance in 2008 to prohibit the heavy trucks on Keystone Parkway, after entering into an agreement with INDOT to assume jurisdiction and control of what was then Ind. 431 from 96th Street north to 146th Street. Part of that ordinance anticipated the U.S. 31 project and included a heavy truck traffic exemption for Keystone Parkway during that project. The exemption is now lifted.