A slightly different version of this called Bus Rapid Transit is really really successful in the UK and is being rolled out to other cities (Manchester and Bristol). <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Cambridgeshire_Guided_Busway" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Cambridgeshire_Guided_Busway</a><p>Extremely painful to put in place but once in place hugely beneficial.