Del. Code tit. 2, § 2010

At the request of a contracting party operating a toll facility hereunder, the Department may adopt and enforce reasonable regulations consistent with State law which (i) set maximum and minimum speeds, (ii) exclude undesirable vehicles, cargoes, or materials from the use of the facility, (iii) establish high occupancy or express lanes for use during all or any part of a day and limit the use of such lanes to certain traffic, (iv) determine points of access, (v) determine truck/trailer multiples, (vi) determine truck weight stations, and (vii) determine truck weight limits.