The mid-20th century saw many examples of freeways severing organic ties between cities and their waterfronts or, in many places, reinforcing patterns of public disuse of waterside districts cemented by decades of intensive industrial, railroad, and port development.  San Francisco’s Embarcadero Freeway, of course, was an early signal of an emergent public outcry against privileging the automobile over the pedestrian at the water’s edge.  Taking cues from the freeway revolt in San Francisco, New Orleans activists brought aesthetic arguments to the fore in their battle against the Riverfront Expressway (originally planned by Robert Moses as part of an arterial expressway system for the Crescent City in the 1940s).  Where San Franciscans failed, New Orleanians prevailed.  They built upon their victory against the elevated roadway…