HRS §291C-48
One-way roads and traffic circles
This section lets the state and counties mark certain roads or lanes as one-way using official signs. Drivers must follow the marked direction and, in a traffic circle, must drive to the right of the island.
everyone
The statute, as written — One-way roadways and rotary traffic islands
(a) The director of transportation and the counties with respect to highways under their respective jurisdictions may designate any highway, roadway, part of a roadway, or specific lanes upon which vehicular traffic shall proceed in one direction at all or such times as shall be indicated by official traffic-control devices. (b) Upon a roadway so designated for one-way traffic, a vehicle shall be driven only in the direction designated at all or such times as shall be indicated by official traffic-control devices. (c) A vehicle passing around a rotary traffic island shall be driven only to the right of the island.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.