Maryland Transportation Section 21-502
(a)   (1)   This subsection does not apply where:
(i)   A pedestrian tunnel or overhead pedestrian crossing is provided, as described in § 21-503(b) of this subtitle; or
(ii)   A traffic control signal is in operation.
(2)   The driver of a vehicle shall come to a stop when a pedestrian crossing the roadway in a crosswalk is:
(i)   On the half of the roadway on which the vehicle is traveling; or
(ii)   Approaching from an adjacent lane on the other half of the roadway.
(b)   A pedestrian may not suddenly leave a curb or other place of safety and walk or run into the path of a vehicle which is so close that it is impossible for the driver to yield.
(c)   If, at a marked crosswalk or at an unmarked crosswalk at an intersection, a vehicle is stopped to let a pedestrian cross the roadway, the driver of any other vehicle approaching from the rear may not overtake and pass the stopped vehicle.