A mixed-use development is proposed at Ledan and Sardis roads, a busy northwest Hall County intersection where officials plan to build a roundabout. S.P. McKibbon Sr. LLLP of Murrayville is seeking to rezone 22 acres for stores and eight residential lots connected by a public street, according to paperwork filed with the county. The business development “may include, but is not limited to, retail stores, (convenience) stores with fuel stations, restaurants and professional offices,” documents state.