Is it dangerous to drive over a washboard road?
Is it dangerous to drive over a washboard road? As you can imagine, driving over a deeply ridged surface is annoying and also a little dangerous, due to the reduced contact and control. When the washboard becomes bad, the only solution is to bring in a grader and scrape the road smooth again. What is the critical velocity of a washboard road? Indeed, there exists a critical velocity below which the road always remains flat and above which washboard bumps appear. Typically, for a car this critical velocity is around 5 mph or 8 km/h. The high-level description of the...