This article critically analyses the decision-making systems behind the proposed Pune metro rail system and its detailed project report, exposing several weaknesses in both. The decision-making system is seen to be ad hoc, and not sufficiently transparent or participative. The DPR suffers from serious methodological and analytical errors, and has exaggerated the benefits from the proposed project. This analysis, along with the experience from other cities, suggests that cities are increasingly seeking single large, big-budget solutions to their urban transport problems without exploring the many simpler, cheaper and more effective options available.