Mandela Parkway, a four-lane boulevard enhanced by a median with trees and a curving footpath, stretches along a 24-block section of West Oakland. It’s the fruit of a grassroots neighborhood campaign to block reconstruction of an elevated freeway leveled by the Loma Prieta earthquake in 1989 and reimagine the thoroughfare to replace it. Please share this article - Go to very top of page, right hand side, for social media buttons. Since the parkway’s 2005 completion, 168 units of affordable housing have sprung up along its route. The air is measurably freer of pollutants than it was when the Cypress Freeway ran through the area.