(a) The Commissioner of Motor Vehicles shall staff, and shall coordinate coverage and hours of operation of, the official weighing areas as follows:

(1) Greenwich: Eight work shifts in each seven-day period from Sunday through Saturday. No such shifts shall be worked consecutively, except that two shifts may be worked consecutively on not more than three days;

(2) Danbury: The Department of Motor Vehicles shall staff six work shifts in each seven-day period from Sunday through Saturday. The Commissioner of Motor Vehicles shall, whenever possible, coordinate coverage between this official weighing area and the official weighing area in Greenwich in order to ensure concurrent coverage;

(3) Union: Between five and eight work shifts in each seven-day period from Sunday through Saturday; and

(4) Portable scale locations: The Commissioner of Emergency Services and Public Protection shall assign troopers to work ten shifts in each seven-day period from Sunday through Saturday to conduct commercial motor vehicle enforcement throughout the four geographical areas established by the Commissioner of Motor Vehicles with concentration in areas that have fewer hours of operation for the permanent weighing areas.

(b) The Commissioner of Motor Vehicles shall adjust the work shifts required in subsection (a) of this section on a daily basis in order to effectuate an unpredictable schedule.

(c) The Commissioner of Motor Vehicles may assign personnel to the permanent weighing areas in Waterford and Middletown or to the portable scale operations.

(d) The Commissioner of Emergency Services and Public Protection, in consultation with the Commissioner of Motor Vehicles, shall assign one trooper to each weighing area working shift in each seven-day period from Sunday through Saturday to enforce laws relative to the safe movement of all vehicles on the highways of the state.

(e) In addition to the weighing area commercial motor vehicle enforcement activities, the Department of Emergency Services and Public Protection shall perform roaming commercial motor vehicle enforcement on the highways of the state and such work shall be assigned to troopers trained in commercial motor vehicle enforcement.