FIG 2-3-20 Ground Receiver Checkpoint Markings 1. WHITE 2. YELLOW 3. YELLOW ARROW ALIGNED TOWARD THE FACILITY 4. INTERIOR OF CIRCLE BLACK (CONCRETE SURFACE ONLY) 5. CIRCLE MAY BE BORDERED ON INSIDE AND OUTSIDE WITH 6" BLACK BAND IF NECESSARY FOR CONTRAST FIG 2-3-21 Nonmovement Area Boundary Markings DASHED LINE ON MOVEMENT SIDE BOTH LINES ARE YELLOW SOLID LINE ON NONMOVEMENT SIDE FIG 2-3-22 Closed or Temporarily Closed Runway and Taxiway Markings d. Marking and Lighting of Permanently Closed Runways and Taxiways. For runways and taxiways which are permanently closed, the lighting circuits will be disconnected. The runway threshold, runway designation, and touchdown markings are obliterated and yellow crosses are placed at each end of the runway and at 1,000 foot intervals. (See FIG 2-3-22.) Airport Marking Aids and Signs 2-3-23