A 4 way, yard throat takes a fair amount of space. With a couple of slips and additional switches.
Pictured is an early Curtis 4 way. Curtis becomes Ross with time.
Slip cross over.
IMO, search the internet, train shows, and train clubs, switches pictured above, were found used, available at reduced prices. IMO Mike CT. Fort Pitt Highrailer train storage throat module, There are two 4 ft. X 6 ft. track modules that extend this to 18 ft of train storage.