How do I sign up for this?

Will there be some sort of public transportation? Like trains, busses, etc?

Will streamers be able to stream the beta/youtubers be able to make video's about i?

Do you need a garage to store your vehicles or can you park them at the side of the road as well? If you can park them on the side of the road, will they disappear after a server restart?

And what if for example you bought 2 cars but only have a one car garage?