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In recent years, a growing number of cities across the world have allocated substantial budgets to promote bicycle use, by constructing dedicated cycle lanes, launching shared bike schemes and installing secure parking facilities. This trend is driven by two core factors, and while cycling brings notable benefits, it is not the optimal standalone solution to urban transport issues.

The primary reason for this investment is environmental. Unlike petrol or diesel vehicles, bicycles produce zero tailpipe emissions, so encouraging cycling can effectively cut air pollution and carbon footprint in crowded urban areas. For instance, Copenhagen, where 62% of residents commute by bike daily, has one of the lowest urban carbon emission levels in Europe, thanks to over 400 kilometres of cycle tracks built with government funding. The second motivation is to ease traffic congestion. Bicycles take far less road space than cars, and higher cycling rates can reduce the number of private cars on roads during peak hours. In Amsterdam, cycling promotion has cut average rush-hour travel time by nearly 20% over the past decade.

However, promoting bicycles is not the best solution to all transport problems. First, cycling is only practical for short trips, usually under 5 kilometres, meaning it cannot replace public transport or cars for longer commutes or for carrying heavy goods. Second, it is unsuitable in extreme weather conditions, such as heavy rain, snow or scorching heat, so relying solely on cycling would cause inconvenience for residents. A more effective approach is to combine cycling infrastructure with affordable, reliable public transport systems, as seen in Singapore, where cycle parking is built next to subway stations to let people combine bike rides with train trips, tackling congestion and pollution far more comprehensively than cycling alone.