Chapter 3

CONSTRUCTION.

Importance of drainage. Good roads impossible without proper drainage. Proper width of roads for travel. They should be wide enough to admit of foot-paths at their sides. Every road should be crowned sufficiently to run off the surface water, but not enough to make the road-bed too unlevel. The golden mean is to be sought. A macadamized road the cheapest and best for our climate and soil. Proper foundation and depth of stone covering for such a road. The Telford road sometimes the best for clayey soil. Its construction. They will be the future roads of our country. Earth-roads now generally prevail. How to make them, and how to keep them up. 17-21