JC
Classified in Geology
Written at on 
English with a size of 1.43 KB.
Road Stages
1. Pioneering: Removal of trees to allow for road installation
2. Clearing and grubbing: Removal of vegetation, rocks, stumps, and other
Obstacle
3. Establishing the subgrade: smoothing the grade and cutting or filling the grade
As necessary
4. Establishing final road grade: adjusting final grade and finishing road template
5. Installing drainage structures
6. Surfacing the road Road Shapes
7. Stream crossings - Insloped: sloped in towards uphill side of terrain into a ditch
8. Maintenance - Outsloped
9. Closure - Crowned
Culvert Diameter
A=CM^0.75
D= (A/.005454)^.5