Section 15. Freedom from toll and ferriage

The Indians of the Six Nations
  may pass and repass free of toll and ferriage, at all  seasonable  times
  of  the  day,  on  any  turnpike road, which shall have been established
  since April sixth, eighteen hundred and three, or which shall  hereafter
  be  established,  leading  from  or  through  the town of Canandaigua to
  Buffalo creek or its vicinity, and over any toll  bridge  between  those
  places, and at the ferry across the Niagara river at or near Black Rock,
  or  at  such  place or places in its vicinity where any ferry shall have
  been established since such time, or shall hereafter be established.