it would cost $3 eachay. two can play the game. terry mcsweeney is live in san francisco to tell us what the border battle is all about. >> they say if you have a $3 toll in mind, we have a $6 toll in mind. meaning if everybody says what they might do, commuters wod be payg $9 per vehicle to move between san mate and san francisco counties. >> where some peopl see vehicles, some members of the board of supervisors the opportunity, three dollars per car coming in or leaving the city adds up to $80 million per year. not everyone sees it as opportunity. >> this amounts o $150 a year for san mateo county resides going into san francisco. >> it would be automatic plate recognitn technology set up on 280, 101 and skyline boulevard. they say the idea inteely unpopular with elected officials in san mateo county who have written a letter to the san francisco board of supervisors to protest. if that not to get enough their attention, san mateo will propose a toll of their own, $6 each way. >> i hate to do this but they left us no choice if t