Originally Posted by noisebeam

From some reason about 6mo. ago several low volume quiet 25mph posted residential streets had a double yellow added to them (before there were no markings at all) - resulting in narrow lane each way.
The change in motorist passing behavior was very noticeable. Before I could ride in the right tire track 23-25mph and cars just passed smoothly.
Now I sometime find someone who acts as they are stuck behind me - even though there are long sightlines and no issue to pass except the double yellow.
I am still puzzled why the double was added. They were simply not the type of streets that anyone passes another vehicle on except bicycles.

Al