Edit: as a note, some people are concerned about losing lanes, but if the lanes are (almost) always moving, and there is no redundant middle left-turn lane, you don't need as many lanes, freeing up the space for sidewalks and bike paths.
Edit: as a note, some people are concerned about losing lanes, but if the lanes are (almost) always moving, and there is no redundant middle left-turn lane, you don't need as many lanes, freeing up the space for sidewalks and bike paths.