Maryland Route 187, Old Georgetown Road at Kingswood Road, Bethesda, Maryland.  Recently the road was re-paved and right travel lane in each direction was removed and replaced with a separated bike lane.
<a href="//commons.wikimedia.org/wiki/User:Lorax" title="User:Lorax">G. Edward Johnson</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>