Only between stations. You have to bring goods there and from there to homes. Some factories have their own rails, some farms too. Often they don't. Some people

Only between stations. You have to bring goods there and from there to homes. Some factories have their own rails, some farms too. Often they don't. Some people can walk to shops (I did when I lived in a city) or use rails, others can't. I can't anymore, I have to use a car. I bought one again after many years without it.