Except we already pay a HUGE Gas Tax to pay for this stuff AND the roads are already built! They were built as freeways - note the term FREEway.
Time to call Sacramento and SCREAM!
When all else fails, try reading the article. The project converts existing HOV lanes to HOV/carpool lanes, and adds lanes where they don't exist. No one will have to pay for anything they don't have to pay for now.