The four graphs and single table included with this story encapsulate some of the key results from RSMeans’ Construction Cost Index (CCI) calculations for the latest quarter ending in April, 2009. The overall CCI for the United States as a whole has slipped into decline. The quarter-to-quarter change was -2.0%, which translates to -7.9% on an annualized basis. The total index decline was all due to materials, as installation rates stayed high. There is also an examination of cities based on industrial strengths.