Minn. Stat. § 219.752: MINIMUM CREW SIZE.

Subdivision 1. Class I or Class II railroad.

A Class I railroad or Class II railroad must not operate a train or light engine used in connection with the movement of freight unless it has a crew of a minimum of two individuals.

Subd. 2. Class III railroad.

(a) For purposes of this subdivision, "shared corridor" means a segment of railroad track in which light rail transit operates within or adjacent to right-of-way used in freight rail operation.

(b) A Class III railroad while operating in a shared corridor must not operate a train or light engine used in connection with the movement of freight unless it has a crew of a minimum of two individuals.

Subd. 3. Exemption.

The requirements of this section do not apply to hostler services or utility employees.

Subd. 4. Penalty; action.

(a) Any railroad that willfully violates this section must pay a fine of not less than $250 or more than $1,000 for a first offense, not less than $1,000 or more than $5,000 for a second offense committed within three years of the first offense, and not less than $5,000 nor more than $10,000 for a third or subsequent offense committed within three years of the first offense.

(b) Fines prescribed in this section must be recovered in a civil action before a judge of the county in which the violation occurs.