At the Los Alamos Transportation Board meeting at Fuller Lodge concerning Trinity Drive, I asked the MIG consultants a simple question: was there any example of a four-lane highway being narrowed down, and having its traffic flow improved?
Their answer was that there was one (only one?), La Jolla Boulevard in Bird Rock, Calif., in San Diego.
Joel Williams has done the research regarding this street. To quote the information he located, “drivers often use the interior streets to avoid the traffic and roundabouts on La Jolla Boulevard.