Logical, that the everyone want straight rails separated.
there are just 4 angles generally in a layout and in and in a chamber.
you have 4 curved rails necessary and the rest straight
and then 2x 7 and 2x5 meters (in my case) straights rails for
a total tour on the layout
if you examine the pol,
you will find no people that wants both together.
same problem for the street plates
but that is another matter.