Demand-Based "Smart Parking": Watch How It Works August 11, 2010 SFpark Overview from SFpark on Vimeo. You may have heard recent stories about San Francisco’s bold experiment with demand-based parking, a two-year pilot project that Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)