Roundabout unlocked.

You are going to delete it, but first - a teaching opportunity for both you and the person who unwittingly made this mess. Please note - I am not having a go at anyone!

• This is a "lumpy" roundabout. That means it's been there over 3 years - back to the time when Waze would try & move unlocked segments to match drivers' GPS tracks. That's why many "old" roundabouts are unexpectedly locked - by editors trying to prevent this. They may look fine in the app, but few editors can look at them without itching to replace them.
  [EDIT] Timbones points out to me that it could be lumpy because that's how it was imported from the OS basemap that created most of our segments. Before my time...
• This roundabout used to have "Y connections". It's in a mess because someone has tried to remove them and done an incomplete job, partly because the roundabout was locked. They've deleted one half of each Y and made the other 2 way, but...
  • That's left the other leg of each Y connected at an angle. These angles make no difference to Waze instructions at all
  • The doglegs may not be visible in the app either, as the app shows much thicker road segments and less detail
  • At two of the junctions, turns are disabled. Shift-Z shows all red arrows - and my advice is never to turn that off unless you need to edit a turn restriction or check a segment
  • There are "leftover" junction nodes on the roundabout where segments were once connected
  • There are leftover junction nodes on 3 of the 4 attached roads, where the Ys started.
  • There's a leftover geometry node on the SW road - where the junction was removed but a superfluous geometry node is still there.
  • There are 3 "revconns" (Reverse Connections) on the roundabout. This is a relatively minor problem, so I'll leave it as an exercise for the reader to look it up in the Wiki, if you don't know what they are
• When you delete the roundabout, join all the roads at the centre in a nice right-angled cross, then re-draw the roundabout, driver will get "at the roundabout turn left/go straight across/turn right" instructions. Generally preferable.

Final note, just to confuse the issue. This isn't, exactly, a roundabout anyway. There are houses all around it and people park on the roadway. I would be tempted to make a roundabout, but then convert it to normal, named streets. That will allow house numbers to be added, but will also "lose" the roundabout-type instructions. I'll let you make that choice!

Thank you for that, I know I have a lot to learn and this helps. Finally got the work done!