Because it's local trains with multiple stops. It's like comparing an average speed of car trips inside a city with multiple intersections (around 12-20 km/h) t

Because it's local trains with multiple stops. It's like comparing an average speed of car trips inside a city with multiple intersections (around 12-20 km/h) to a motorway average speed (100+ km/h) and saying that cars driving in the city are from the 1920s...