Railway Size

Ive being trying to find a Z sized railway but i cant find it what is the next smallest that is realy common railway that i can buy?

The next size up would be N scale-1:160. It’s the second most popular size, alot of equipment and scenery items, and it runs well.

ok thanks philnrunt

And by the way, [#welcome] I think you will find answers to any and all of your railroad questions here.And some pretty decent folk.