Limited by railways and number of stops too. On a 500km trip in France (Paris - Strasbourg) you can save 15min by taking the train with no stops : 1h46 vs 2h an

Limited by railways and number of stops too. On a 500km trip in France (Paris - Strasbourg) you can save 15min by taking the train with no stops : 1h46 vs 2h and 2 stops