Starting at Massachusetts Avenue and Rock Creek Parkway, NW...
North on Rock Creek Parkway, N.W (wes side) to Connecticut Ave, N.W;
East on Kalorama, N.W. (north side) to Columbia Road, NW;
Northeast on Columbia Road, N.W (west side) to Adams Mill Road, N.W.;
West on Klingle Road, N.W. (south side) to Connecticut Avenue, N.W;
Southeast on Connecticut Avenue, N.W. (east side) to Cathedral Avenue; N.W.;
West on Cathedral Avenue, N.W. (south side) to 34th Street, N.W.;
South on 34th Street N.W. (east side) to Massachusetts Avenue, N.W.;
Southeast on Massachussetts Avenue, N.W. around Observatory Circle and back to Massachusetts Avenue, N.W. (northeast side) to Rock Creek Parkway.