(a) Modular units over 12 feet wide shall be drawn on a trailer so designed to meet or exceed industrial standards.

(b) Movement of modular building units whose widths are greater than 14 feet shall only be permitted as described in section 154-1.11 of this Subpart. Mobile homes whose width is 14 feet or less shall be allowed an additional three inches over the width stated on the permit for attachments such as door knobs and running lights.

(c) In addition to the certified escort vehicle requirements of section 154-1.8(b) of this Subpart, vehicles carrying modular building units with a width greater than 12 feet shall be followed by a certified escort vehicle on divided highways and on highways with four or more lanes.

(d) Routes over which the modular building units travel must be approved. Travel may be restricted on certain routes or segments of routes and the movement may be routed over other than the most direct route in the interest of increased safety or reduced congestion.

(e) A three inch eave overhang on the roof on each side of the modular building unit shall be permitted in addition to the width stated on the permit for modular building units 14 feet or less in width. A total of six inches of eave overhang will be allowed on one side provided the greater overhang is on the right-hand shoulder side of the highway.