Show OIL FOR ROAD improvement when properly applied good surface to Is obtained experiments being made in missouri hy by E T missouri A agricultural g ri college attempts are now being made mada in several parts of the state to keep dust down by the use of road oils supervisors should be careful to investigate the quality of oil they use before putting it on the highways it Is not generally jen understood that there are two distinct types of oil on the market one of these oils has an asphalt base which serves as a binder on the road as soon as the lighter oil evaporates the other has a paraffin base and Is to all intents and purposes a lubricating oil this kind of oil however does not hold the road hard or Is not hinding binding it leaves the roads musty and sticky road oiling properly done gives a good surface the city of joplin has done some of this work on its roads that have already carried heavy traffic more than a year and now look as good as asphalt pavement any missourian may send samples of road oils to the engineering experiment station university of missouri columbia and have them examined d ai at v oiled highway in missouri a moderate cost merely enough to pay for the use of materials in the laboratory some time ago the experiment station issued a bulletin giving complete information on the quality of various materials throughout the state for road making purposes this bulletin Is still in print and will be sent free its title Is investigation of road hoad making properties of missouri stone and gravel |