SAFETY MONITORING OF ROCK SLIDE In late April 2006, a major rock slide occurred burying the main highway access into California’s world famous Yosemite National Park. The slide blocked California’s State Highway 140 which is the main all year-round route to the Park, creating a number of major concerns for visitors and neighbouring communities. What initially appeared to be a problem of a few rocks rolling onto the highway from the adjacent slope quickly turned into a complex rock slide with a volume of approximately 1.5 to 2.0 million cubic metres. The area created a number of concerns for public safety and significant implications for the local community of Mariposa. Impacts included significant losses in business revenue due to limited park entry, traffic congestions to alter

Join for free to read