SAN MATEO, Calif., June 27, 2012 /PRNewswire/ -- The San Mateo Chamber of Commerce and Comcast announced today that the unprecedented project to radically upgrade the broadband network in San Mateo's downtown underground utility district has been completed. Working closely with the City of San Mateo, the two organizations have finished the months-long endeavor which enables local businesses in the downtown area to connect to advanced telecommunications services and turbo-charged Internet speeds. readmore