http://www.autoblog.com/2008/03/10/autoblog-how-to-building-a-michigan-road/
Comic writing mixed with the science of frost heaves, ice splits, and self service patch tamping ... "Winters can get cold in Michigan, but they tend not stay that way for long. It's not at all unusual to have temperatures cycling between 10F and 40F several times within the same week. As the melted snow seeps into those cracks, re-freezes and expands, it can rupture even the toughest concrete and asphalt is no match. "
