在一个ASP.NET MVC 5解决方案中具有单独的项目

I want to have many projects(like 20) in one ASP.NET solution. All projects would have their own databases, models, views and controllers. Can you tell me how I can do that? And how the urls would be? If there is one project in the solution it is like this : I want to have many projects(like 20) in one AS