1766                                        LAWS OF MARYLAND                                    Ch. 472

(a)  Subject to the requirements of subsection (b) of this
section, the driver of a vehicle may overtake and pass to the
right of another vehicle only:

(1)  If the overtaken vehicle is making or about to
make a left turn;

(2)  On a highway with unobstructed pavement not
occupied by parked vehicles and wide enough for two or more lines
of vehicles moving lawfully in the same direction as the
overtaking vehicle; or

(3)  On any one-way roadway, if the roadway is free
from obstruction and wide enough for two or more lines of moving
vehicles.

(b)  The driver of a vehicle may overtake and pass another
vehicle to the right only if it is safe to do so, [This movement]

(C) THE MOVEMENT DESCRIBED UNDER SUBSECTION (B) OF THIS

SECTION may not be made by driving off the roadway.

21-307.

(a)  The State Highway Administration may determine those
parts of any highway in its jurisdiction where overtaking and
passing or driving on the left of the roadway would be especially
dangerous and, by appropriate signs or markings on the roadway,
may indicate the beginning and end of these zones. Where the
signs or markings are in place and clearly visible to an
ordinarily observant individual, every driver of a vehicle shall
obey their directions.

(b)  Except as provided in subsection [(c)] (D) of this
section, where signs or markings defining a no-passing zone are
placed as provided in subsection (a) of this section, a driver
may not drive on the left side of the roadway within the
no-passing zone [or on the left side of any pavement striping
designed to mark the no-passing zone throughout its length].

(C) EXCEPT AS PROVIDED IN SUBSECTION (D) OF THIS SECTION,
WHERE SIGNS OR MARKINGS DEFINING A NO-PASSING ZONE ARE PLACED AS
PROVIDED IN SUBSECTION (A) OF THIS SECTION, A DRIVER MAY NOT
DRIVE ON THE LEFT SIDE OF ANY PAVEMENT STRIPING DESIGNED TO MARK
THE NO-PASSING ZONE THROUGHOUT ITS LENGTH.

[(c)] (D) The driver of a vehicle may drive across the left
side of the roadway in a no-passing zone while making a left
turn, but only if it is safe to do so.

21-309.

(a) On any roadway that is divided into two or more clearly
marked lanes for vehicular traffic, the following rules, in
addition to any others consistent with them, apply.