Minn. Stat. § 160.98: PROHIBITION ON ROAD AND BRIDGE PRIVATIZATION.

A road authority may not sell, lease, execute a development agreement for a BOT facility or BTO facility that transfers an existing highway lane, or otherwise relinquish management of a highway, if the highway is retained or utilized by the buyer, lessor, or operator for highway purposes. Nothing in this section prevents sale, reconveyance, or easements under section 160.274, 161.23, 161.41, 161.411, 161.431, 161.44, 161.442, or any other similar provision.