Retail is the weakest commercial construction market, with jobsite construction spending declining 28% since its September 2007 peak. More than two-thirds of the decline occurred in the last six months when the recession deepened and credit availability problems forced an uptick in project delays and shutdowns.rnThe total decline through early 2010 is expected to be about 40%. The decline through February ranges from 15% for food stores to about 50% for building supply stores and auto parts and service centers.
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