Show GRANITE BLOCK FOR PAVING Material Regarded as Particularly Suitable for Trunk Lines Lilies Entering EnterIng Entering Enter Enter- ing Large Largo Cities Study of various paving materials suitable for tor much much traveled traveled highways has disclosed interesting data on granite blocks to the bureau of public of-public public roads of the United States department of agriculture Many road builders are coming to regard this material as ns particularly suitable for tor trunk lines entering large towns and cities where there is an Increasing amount of heavy traffic Though the Initial cost of granite block construction Is high the maintenance maintenance maintenance main main- of the If properly laid and grouted I is less than that o of Hi Hit t i iThe The Maintenance Cost of This Kind of Pavement If Properly Laid Is Less Than That of Almost Any Other Kind of Pavement almost any other type of pavement In Worcester Mass 1 over a period o of 10 years jears the average maintenance cost per yard was less than a half cent This also Is true in other cities regardless regardless re re- of the fact that in general the streets covered with granite block paving are aie those carrying the most severe traffic |