Traffic projections were “over-optimistic” is the anti-bridge argument that could have swayed me the most. I’ve always been struck by the contrast in population

Traffic projections were “over-optimistic” is the anti-bridge argument that could have swayed me the most. I’ve always been struck by the contrast in population density north and south of the Golden Gate. Perhaps because Marin is more mountainous than the mildly hilly San Francisco?