Thousands of spaces citywide. Real time parking availability info by computer or smart phone. Prices will adjust monthly street by street based on demand. It's impressive, check out their neat PR video here:
"Cities around the world are combating parking and traffic congestion problems," said Mayor Lee. "With SFpark, San Francisco is the first city in the world to pursue a comprehensive parking-based approach to congestion management and greenhouse gas emission reduction that will also support local merchants and keep San Francisco moving." - SF Mayor Lee
"This innovative project will reduce circling and double-parking, help make Muni faster and more reliable, reduce congestion, and create safer streets for everyone," said SFMTA Executive Director/CEO Nathaniel P. Ford Sr. "The parking information on the app, the website, and the real time information signs will allow SFpark to also make it easier to park and drive in San Francisco."