Del. P.J.I. Civ. § 6.6.1

Title 21 Del. C. § 4114(a), (b) and (c) provides as follows:

(a) Upon all roadways of sufficient width a vehicle shall be driven upon

the right half of the roadway, except as follows:

(1) When overtaking and passing another vehicle proceeding in the

same direction under the rules governing such movement;

(2) When an obstruction exists making it necessary to drive to the left

of the center of the highway; provided, any person so doing shall yield

the right-of-way to all vehicles traveling in the proper direction upon

the unobstructed portion of the highway within such distance as to

constitute an immediate hazard;

(3) Upon a roadway divided into 3 marked lanes for traffic under the

rules applicable thereon; or

(4) Upon a roadway designated and signposted for 1-way traffic.

(b) Upon all roadways any vehicle proceeding at less than the normal speed

of traffic at the time and place and under the conditions then existing shall be driven

in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another

vehicle proceeding in the same direction or when preparing for a left turn at an

intersection or into a private road or driveway.

(c) Upon any roadway having 4 or more lanes for moving traffic and

providing for 2-way movement of traffic, no vehicle shall be driven to the left of the

center line of the roadway, except when authorized by signs or markings designating

certain lanes to the left side of the center of the roadway for use by traffic not

otherwise permitted to use such lanes, or except as permitted under this section. This

subsection shall not be construed as prohibiting the crossing of the center line in

making a left turn into or from an alley, private roadway, driveway or highway.