What happens when water dissolves minerals, typically limestone, in the bedrock? As Carolyn Mason reports in the October Overdrive, it can form a sinkhole. That can happen anywhere, but when it’s under a highway, it can be a shock for an unsuspecting driver.
The most sinkhole-prone states are Florida, Texas, Alabama, Missouri, Kentucky, Tennessee and Pennsylvania. However, factors other than geology can create unstable surface conditions. Some sinkholes are caused by mining, well-digging, heavy construction and underground leaking pipes.
We’ll be posting the October Overdrive soon on this site. In the meantime, for an entertaining look at this Worst Case Trucking Scenario and some related advice, check our latest 30-second Trucker Tip video: