Notwithstanding any other provisions of this act the township board of any township may appropriate any unexpended balances in the contingent or general fund of the township without submitting the question to the electors of said township, or raise money by the issuance of bonds of the township in the same manner and to the same extent as provided in section 8 to 18 of chapter 14 of Act No. 283 of the Public Acts of 1909, being section 234.8 to 234.18, inclusive, of the Compiled Laws of 1948, and to pay any sum so appropriated or raised into the county road fund of the county for the maintenance and/or improvement of county roads within the townships, or for the widening of state trunk line highways beyond the width required for state trunk line traffic in unincorporated areas of such township, pursuant to an agreement between the township and the county road commission. Where funds are to be used for the widening of a state trunk line highway, the county road commission shall enter into agreement with the state highway commissioner for the work. Notwithstanding any other provisions of this act the township board of any township may also levy a property tax of not to exceed 3 mills on each dollar of assessed valuation of the township in any year for the maintenance or improvement of county roads within the township or for the widening of state trunk line highways, as aforesaid, without submitting the question to the electors of said township, and pay any sum so raised into the county road fund of the county for the aforesaid purposes pursuant to an agreement with the county road commission: Provided, That in addition to the foregoing powers any township may, when authorized by a vote of the electorate, levy a property tax of not to exceed 6 mills on each dollar of assessed valuation of the township in any year for the maintenance or improvement of county roads or for the widening of state trunk line highways beyond the width required for state trunk line traffic in unincorporated areas of the township and pay any sum so raised into the county road fund of the county for the maintenance and/or improvement of county roads within such township or the widening of state trunk line highways, as aforesaid, pursuant to an agreement between the township and the county road commission. Where funds are to be used for the widening of a state trunk line highway, the county road commission shall enter into agreement with the state highway commissioner for such work. Notwithstanding any other provisions of this act the township board of any township in the county of Marquette, out of any unexpended balances in the contingent or general fund of the township, after first submitting the question to the electors of the township, and a majority of those voting thereon approve of such expenditure, may purchase and operate snow removal equipment.