1. (a) Upon a roadway where traffic-control devices establish one-way traffic, a vehicle shall be driven only in the direction designated. Such designation may be at all times or at such times as shall be indicated by traffic-control devices.
2. (b) A vehicle passing around a rotary traffic island shall be driven only to the right of such island.
3. (c) A driver about to enter a rotary traffic island shall yield the right-of-way to any vehicles passing around it.

21 Del. C. 1953, § 4121; 54 Del. Laws, c. 160, § 1; 57 Del. Laws, c. 670, § 13A; 60 Del. Laws, c. 701, § 21