Shotcrete for Structural Repair of Key Light Rail Facility in Boston In 1922, the Boston Transit Commission built Shawmut Junction, a ?yover located in Boston, MA. By shotcreteweb|2022-02-16T16:52:05+00:00January 3rd, 2006| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: shotcreteweb