What were the results of the hierarchy of needs analysis?
The following graphic compares the 20-year needs with projected revenues. Shoulder rumble strip milling operation in Iowa The three highest priority categories of needs (i.e., categories 1, 2 and 3) cover maintenance, preservation and high return-on-investment needs. The estimate of future revenues will allow all category 1 needs (maintenance and administration) and most category 2 needs (resurface high-volume roads, repair/replace structurally deficient bridges on high-volume roads and reconstruct very high-volume roads with poor pavement) to be met. To address the remaining unfunded category 2 needs would require approximately $2 billion in additional revenue over 20 years for an average of about $100 million per year. To stop deteriorating pavement and bridge conditions in Iowa, and to begin to address capacity and corridor improvements on the interstate and CIN, requires that the most critical category 3 (resurfacing low-volume roads; repair/replacement of structurally deficient br
