Except at through highways, or as otherwise provided in this subtitle, a vehicle at an intersection:
(1) Has the right-of-way over any other vehicle approaching from the left; and
(2) Shall yield the right-of-way to any other vehicle approaching from the right.
Structure Maryland Statutes
Title 21 - Vehicle Laws -- Rules of the Road
Section 21-401 - Vehicle at Intersection
Section 21-401.1 - "T" Intersection Without Traffic Control Device
Section 21-402 - Vehicle Turning Left or Making U-Turn
Section 21-403 - Vehicle Entering Stop or Yield Intersection or Through Highway
Section 21-404.1 - Vehicle Entering Highway From Crossover
Section 21-405 - Operation of Vehicles on Approach of Emergency Vehicles or Tow Trucks