Show DO NOT DESTROY OLD ROADS UNLESS it to Is true that the cheapest road Is the hard surfaced road there would not be so BO many miles of them built and building throughout the united states at a tune time when road engineers know more about road building and its advantages than men have known since roman roads were built securing good roads does not mean it Is necessary to construct entirely new highways many states are simply covering their worn wom out rock gravel concrete or asphalt roads with a surface of concrete thus utilizing the material time and money already put on the roads this type of surface can be quickly applied and maintenance costs ire very small email the modem caterpillar tractor with alth the road building machinery which it can operate brings economical road building within the reach ol of every road district |