Please lower the lock on this segment to 4; as you can see from the turn arrows, this segment is currently unroutable.
It looks like someone tried to unsplit a split connection to the roundabout and messed it up…
I’ve fixed the turn restriction, but it still looks very messed up to me… Digging into this further…
It looks a lot better now. It looked even worse before I got to the unlocked parts this morning. 
Thanks!
Was it you who tried to unsplit the split off the rotary?
No, some level 1 editor appears to have done that. They ended up with a one-way exit next to a two-segment, both of them intersecting the rotary, so I deleted the extra one-way piece.
I just locked the whole thing to L4, before someone else comes along and messes up the rotary–I mean, “roundabout”. 
I seem to recall unlocking it for someone a while back, when lock levels were tied to the most recent editor; evidently whoever requested the unlock never locked it again, and it has been sitting there unprotected ever since.