Several mews off the minor streets provided stable lanes for the large homes. Completing the grid are three north-south cross streets.
Craig's original plan has not survived but it has been suggested that it is indicated on a map published by John Laurie in 1766.[3] This map shows a diagonal layout with a central square reflecting a new era of civic Hanoverian British patriotism by echoing the design of the Union Flag. Both Princes Street and Queen Street are shown as double sided. A simpler revised design reflected the same spirit in the names of its streets and civic spaces