Also, the turns are often restricted (red arrows) with soft restrictions (link). This would be alright if there is no editing activity, as soft turns adapt to the driving behavior. However, if Waze is not used intensively (like in many locations in Turkey yet), driving directions that people don’t use will be inhibited and become unroutable. If you start working on an area, make sure you have checked all the junctions. A handy tool to use is to switch between ... Shift Z (explain/link).
The map is not ready to be KISSed, or simplified. Roads that are divided by a solid middle part, are better drawn as two one-way lanes at this moment to avoid confusion for and editing mistakes by new editors.