Planning for the future?
How could cities developed a century ago have foreseen the glut of motor vehicles while the streets were crowded with horse drawn wagons and electric trolley cars? Tough? Look at old Europe and older Japanese cities with very narrow streets best maneuvered on horseback.
Today, the modern bus route would have clearly marked bus-only paths like that shown in the photo. Synchronized traffic signals, some with on-demand sensors would help, too. Where are the politicians who will offend the vast majority of four-wheeler drivers who vote?