Maryland Transportation Section 21-511
(a)   The driver of a vehicle shall yield the right-of-way to:
(1)   A blind or partially blind pedestrian using a guide dog or carrying a cane predominantly white or metallic in color (with or without a red tip);
(2)   A deaf or hearing impaired pedestrian accompanied by a guide dog; or
(3)   A mobility impaired individual crossing a roadway while using any of the following mobility-assisted devices:
(i)   A manual or motorized wheelchair;
(ii)   A motorized scooter;
(iii)   Crutches; or
(iv)   A cane.
(b)   A person who is not blind or partially blind may not use or carry a white cane, a cane that is white tipped with red, or a chrome, nickel, aluminum, or other reflecting or shining metal cane, in the manner described in subsection (a)(1) of this section.