Yes, they are now, in 2015, talking about completing part of the southern loop of the system that was planned in 1956: <a href="http:&#x2F;&#x2F;www.jakecoolidgecartography.com&#x2F;regional-rapid-transit-bay-area.html" rel="nofollow">http:&#x2F;&#x2F;www.jakecoolidgecartography.com&#x2F;regional-rapid-transi...</a>