Aluminum Entrance Cover
Cantilevered carports are used as entry covers for a school. Posts are only on one side and out of the way. Other schools have used Japanese carports to create outdoor gazebos for recess or to shelter pick up areas for parents. Find the details on this PJF-Series door cover
A modern Japanese cantilever carport can project out as much as 10 feet with 2 posts only on one side. If you add an additional post, you can even stretch out all the way to 11 feet.
And there is also a specialty carport called the KWC that can suspend its roof out to almost 18 feet. See details on this high quality aluminum carport KWC.