Highway Construction
Author
Douglass, John Moore
Subject
Roads -- Design and construction
Macadam roads -- Evaluation
Metadata
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Up until a few years ago roads were built solely to stand the wear and tear of carriages, wagons and heavily loaded drays but now a new question has arisen. Which road will best stand the automobile, running at a high speed of 60 miles per hour and also at the same time the heavily loaded dray, drawn by mules? This has given rise to much thought by our engineers and has been the means of much experimentation by our government. [From introductory section]