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From page 4...
... 4 Introduction Over the last century, construction of the nation's highway system required the construction of tens of thousands of rock slopes. The constructed highway system has required the maintenance, reconstruction, and hazard mitigation of thousands of rock slopes.
From page 5...
... Introduction 5   • Reductions in hazard "scoring" using evaluation systems such as the Rockfall Hazard Rating System (RHRS) All these design goals aim to provide metrics that allow the DOT to guide design efforts with a practical, uniform approach.
From page 6...
... 6 Design Practices for Rock Slopes and Rockfall Management illustrate certain terms as well as provide typical examples of rock cut slopes and rockfall mitigation structures. • Rock Slope: A constructed slope excavated through rock materials for construction of roads or related facilities.
From page 7...
... Introduction 7   Figure 2. New rock cut with enlarged catchment ditch constructed as part of minor realignment for a highway safety improvement project.
From page 8...
... 8 Design Practices for Rock Slopes and Rockfall Management Report Organization This synthesis of the current state of the design practice for rock slopes and rockfall management is organized as follows. Literature Review.

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