There are places in the world where the only transportation concern is not giving priority (and tax dollars) to automobiles for maximum speed through urban areas.
Just for fun: Take a look at this video about how the Dutch have designed road junctions to make them safer for bicyclists, pedestrians and even motor vehicles. They work. They are environmentally sound.
In a century or so, this thinking might reach the Arkansas Freeway Department.
Consider this another installment of Sancho Panza's tilting against the 30 Crossing Concrete Gulch.