 A stub of a planned freeway was constructed at the High Street exit from the Nimitz Freeway, but that freeway extension plan was abandoned.At the time of the 1989 Loma Prieta earthquake, the Cypress Street Viaduct double-deck segment of the Nimitz Freeway collapsed, killing 42 people.The old freeway segment had passed through the middle of West Oakland, forming a barrier between West Oakland neighborhoods.