The result is an improvement over impassable mud or dirt roads, yet rough in the best of conditions and a hazard to horses due to shifting loose logs.
One example is the Alaska Highway between Burwash Landing and Koidern, Yukon, Canada, which was rebuilt in 1943, less than a year after the original route was graded on thin soil and vegetation over permafrost, by using corduroy, then building a gravel road on top.
The earliest recorded use of a corduroy road in England was during the Norman attack on Saxon resistance leader Hereward the Wake who had taken refuge in the marshes on the Isle of Ely.
Two contemporary sources say that the Normans built a corduroy road one mile long to try to reach him in 1071 but eventually succeeded in their attack using treachery.
[5] This segment is the only known extant portion of Hull's Trace, a military road that was built at the beginning of the War of 1812 from Urbana, Ohio, to Detroit.