Government Spending on Roads vs Public Transport — Band 8 Model Answer

Infrastructure investment decisions are not merely technical choices — they are political statements about whose mobility matters and what kind of future a society is choosing to build.Examiner noteReframes a policy question as a values question — Band 8 TA and LR. Evaluated on either efficiency or equity grounds, the road-first model fails in urban contexts, and I regard its continued dominance as a negative development.

The case for road investment rests on revealed preference: people use cars, so governments build roads. This argument has a fundamental circularity problemExaminer notePrecise logical critique. Band 8 TA. — people use cars largely because previous generations built car-dependent infrastructure that made alternatives impractical. The preference for cars is substantially constructed by the infrastructure itselfExaminer notePrecise passive — agents deliberately not specified. Band 8 GRA. rather than preceding it.

The external costs that car-centric infrastructure imposes on non-drivers, on health systems and on the atmosphere are neither priced into road investment decisions nor borne by the motorists who generate themExaminer noteLong, dense subject — Band 8 GRA. This is an "externality" argument stated precisely without using the jargon. . A government that builds motorways is effectively subsidising a transport mode that produces negative externalities at scaleExaminer notePrecise economic framing — Band 8 LR. while starving investment from a mode — public transit — that produces positive ones.

The contrast with cities that have invested in rapid transit is instructive. Singapore, Tokyo and Zurich have demonstrated that comprehensive public transport systems can achieve modal share levels that make private car use genuinely optional for most urban residentsExaminer noteSpecific, evidence-based examples with a precise outcome claim. Band 8 TA. . The infrastructure choices made today lock in transport patterns for generations; the case for getting them right is therefore both urgent and compelling.