The state auditor says North Carolina's Transportation Department can do better at estimating cost increases for building roads and mass transit.
State Auditor Les Merritt's staff has conducted a performance review of the D-O-T's highway program, including an examination of the Transportation Improvement Program. The rolling six-year plan sets priorities among more than 36-hundred projects totaling eleven-point-eight (b) billion dollars.
The review found that while the Transportation Improvement Program isn't a budget document, cost details for individual projects are difficult to evaluate and need improvement.
Cost overruns range from ten percent over estimates to nearly 300 percent more than original cost estimates. The review also found that the Transportation Improvement Program's inflation rates were understated.
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