This zone is established principally to provide limited retail, convenience goods and service for persons residing in the surrounding residential areas. The uses in this district include most types of retail activity, and should be located on major thoroughfares, intersections, and in existing and new shopping centers. Warehousing, large shopping centers, strip commercial, lumberyards, and contractor’s yards, and similar large commercial businesses that create heavy volumes of truck traffic and low volumes of retail traffic are not included in this district.