§21–308.

    (a)    (1)    The State Highway Administration may designate any highway or any separate roadway under its jurisdiction for one-way traffic and shall place appropriate signs giving notice of the designation.

        (2)    On a roadway designated and signposted for one-way traffic, a vehicle may be driven only in the direction designated.

    (b)    A vehicle passing around a rotary traffic island may be driven only to the right of the island.