(a) The Department may divide or separate any state highway into separate roadways wherever there is particular danger to the travelling public of collision between vehicles proceeding in opposite directions or from cross traffic, by constructing curbs, central dividing parkways or other physical separations, or by signs, marks or other devices, in or on the roadway, appropriate to designate the dividing line.
(b) The Department may designate as express highways, and control public or private access thereto, the westerly approach or approaches to the Delaware Memorial Bridge and any road or roads heretofore or hereafter constructed by the Department for the purpose of connecting such Bridge or its westerly approach or approaches with any existing highway in this State.
Structure Delaware Code
Subchapter III. Jurisdiction, Powers and Duties of Department
§ 132. General powers and duties.
§ 133. Road improvements; additions to state system.
§ 135. Authority to construct dual and express highways.
§ 136. Improvements of roads leading to institutions.
§ 137. Acquisition and sale of real property.
§ 138. Acquisition of uneconomic remnants of land along right-of-way.
§ 139. Notice to landowners; written claim for damages.
§ 140. Educational and safety campaigns.
§ 141. Regulation of traffic; exceptions.
§ 142. Automobile for use of Governor.
§ 143. Expenses of alteration or relocation of facilities or structures of public utilities.
§ 144. Millsboro Pond Dam; construction and maintenance.
§ 145. Corridor capacity preservation.
§ 146. Access to state-maintained highways.
§ 147. Authority to establish standards for traffic-control devices.
§ 149. Authority to adopt regulations governing state land.