Cool, dry weather; relatively but not totally flat terrain; soft running surfaces, like dirt, gravel or macadam.
The car raced along the road, crossed a macadam highway, went four blocks and pulled to a stop.
They are used as dust layers on earth, gravel and macadam surfaces.
Here and there, in the far East and the far West, are found stretches of concrete or macadam.
macadam asked that he should at least be bound over to keep the peace.
Telford had not yet levelled the hills nor macadam paved the roads; and rollers were unknown.
Utilitarianism was too much for it, and its stones fell to macadam.
Professor macadam came to the charge once more, briefly but savagely.
These are paved with concrete block and the other streets with macadam.
Second: That large stone, placed under macadam metal, will work to the surface.
1824, named for inventor, Scottish civil engineer John L. McAdam (1756-1836), who developed a method of levelling roads and paving them with gravel and outlined the process in his pamphlet "Remarks on the Present System of Road-Making" (1822). Originally, road material consisting of a solid mass of stones of nearly uniform size laid down in layers; he did not approve of the use of binding materials or rollers. The idea of mixing tar with the gravel began 1880s.