Thanks. Lane tagging is helpful. My main feedback is that it's important to be aware about how long the segment of road you're editing is. Unless the entire segment of roadway has a turn lane, you'll need to split the road line into separate segments where the turn lane starts or ends.

In the iD editor, this can be done by creating/finding the point on the roadway line where the lane configuration changes (double-click the line if the point doesn't already exist). Then select that point where you want to split the road segment, and hit the "X" key (or right click > "split way"). Then you can edit the tags separately for the different segments of road.

But thanks anyway, these edits are useful! Let me know if you have any questions.