Well, $2,000.00 a  FOOT,  Sound like a  Very, VERY, Big,
               KICKBACK.


Now this ‘bike path', is Part of the, ’train’, below. so ALL the things to lay down a flat piece of tar, for a Bike path are already their.
Which is, Needed,  for the, "Needed", train below.

“…So, to get to San Francisco using this system, you will have to find parking in Santa Rosa (not easy to do), wait for the train, board the train, ride it south to the ferry, walk a third of a mile, wait for the ferry, get on the ferry, ride to San Francisco, then take one more bus or long walk to get to your final destination.  This is what passes for urban planning in California…”