Show MAINTENANCE COST OF ROADS f Ultimate Economy of Concrete Road Depends on or orthe the Small Amount Needed to Keep It Up i The cost of ot a road Involves not only first cost but the cost of keeping ItIn it itIn itin In continuously usable condition If It this were not so the cheaply built gravel grayel road would be entirely suitable suitable suitable suit suit- able for our main traveled thorough thorough- fares The ultimate economy of 01 the concrete road depends upon the extremely extremely ex ex- ex- ex Ii small amount of money required required required re re- re- re to keep It In excellent condition condi condl tion The only maintenance needed on ona ona r a 9 well built concrete road is that necessary nee nee- essary to keep filled with tar the Joints and the cracks that may develop The 1919 report of the state commissioner j of highways of New York gives the I average cost of maintenance for tor the three years 1015 1916 1910 and 1917 as follows follows follows fol fol- fol- fol lows Macadam per mile per year ear for the maintenance of 2403 miles gravel per mile per J year for the m maintenance of miles first-class first concrete per mile t per year the maintenance of miles 3 |