To finance the costs of constructing street improvements consisting of either an asphalt overlay or slurry seal-coat to existing streets in the City of Rio Dell, in order to improve the driving surface and extend the useful life of the roadways in the most economical manner possible, shall the City of Rio Dell issue $2 million in general obligation bonds, maturing 15 years from their issue date, and bearing interest at a rate not in excess of 6%?