@Skipper I didn't have, but I just made two versions, one with the filler on the right and another without it. If you want to try, here are the links:
Without filler (17m): https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2956569010
With filler (16m): https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2956570575

Have you got one of these without a bike lane?

I've been looking for such a road for soo long! Will be perfect for making tram-roundabouts!