Please note on your arrival that road 29 near Mukran will be closed from 13 April to 8 May.
The diversion leads via Bergen to Sagard. From there you can reach the Königsstuhl directly via Hagen or Sassnitz.
Bus traffic can still pass the construction site. Current information and updates can be found here:
https://vvr-bus.de/aktuelle-verkehrsmeldungen/