If you're wondering how much it costs to use existing poles and conduit, it's public information
The most difficult and costly part of any wireline broadband infrastructure project is getting cable from point A to point B. There are two primary ways of doing it: stringing it on poles or running through buried conduit. Since the chances of getting permission to build a new pole route in California is only slightly better than the odds of getting approval to drill for oil in San Francisco Bay, your only independent alternative is to start digging, at the rate of $30 to $60 a foot or more.… More