Cost overruns aren't just due to incompetence, bureaucracy and bad faith
Nine out of 10 major transportation projects go over their initial budget. This isn't always because of incompetence.
Major transportation projects frequently exceed their budgeted amounts, and this isn't always due to outright incompetence. Sometimes, initial project costs are announced prematurely when many variables remain uncertain. As these assumptions prove inaccurate, the cost overruns become public scandals. People often search for simple explanations or someone to blame, but in truth, numerous factors can contribute.
External factors like rising material costs, labor shortages, changing regulations, or economic downturns can lead to overruns. Issues within the initial estimate, such as missing data, preliminary studies, or poorly defined projects, can also be problematic. Overoptimism plays a role too; decision-makers and teams sometimes underestimate the challenges they'll face.
Poor governance, unclear responsibilities, delayed decisions, and inadequate controls can add to the problem. Sometimes, strategic underestimates occur when decision-makers present artificially optimistic estimates to gain political, social, or financial support for the project. These factors can all occur together, making it difficult to pinpoint the exact cause of a cost overrun.
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