Such petition for construction or improvement shall state if appropriate:

1. (a) The recommendations of the petitioners as to the materials to be used and the manner of constructing or improving such highway.
2. (b) An estimate of the probable expense of such work.
3. (c) A request that the board appropriate for such work a specified sum of money from the road fund of the county.
4. (d) A request that the board appropriate for such work a specified sum of money from the road district funds of the road districts in which any part of the division is located.
5. (e) A request that, in order to raise the balance necessary for such work, a special tax be levied or bonds of the division be issued.
6. (f) A request that annually for the period for which maintenance is proposed the board levy a special tax upon the division in amount sufficient for maintenance and annually appropriate such amount for maintenance purposes.