ยง  3622.  Routes.  The  board of education or trustees shall plan each
  school transportation route, as defined in subdivision three of  section
  thirty-six  hundred  twenty-one  of  this  article, in such manner as to
  promote maximum efficiency in the operation of  a  school  bus  on  such
  route.  Whenever  practicable  each  route  shall  be planned to operate
  within the boundary of a school district. If any  or  all  pupils  of  a
  school  district  receive  instruction in a school or schools beyond the
  boundary of such district, the board shall plan a route or routes beyond
  the boundary of such district to such school or schools for such pupils.
Structure New York Laws
Title 5 - Taxation and Financial Administration
Article 73 - Apportionment of Public Moneys
Part 2 - Aidable Transportation Expense
3622-A - Aidable Regular Transportation.
3623-A - Allowable Transportation Expense.
3624 - Drivers, Monitors and Attendants.
3626 - Data for Administration.