Introduction: With the pace of life in countries becoming faster and faster in the recent years, a demand for faster and more effective means of public transport is becoming greater than ever. Unsurprisingly, very fast trains would be the solution to this problem, however, constructing new railway lines would cost a ton of money. Some people think that the investment is necessary, whereas others believe that financial resources should be spent to improve the existing public transportation. This essay is going to discuss both views.