Identify from this week’s lecture the most severe climate region in the US via the AASHTO design approach for gravel roads (list some of the states within the region) and why that region requires thicker gravel roads.
Week 2-1 covers the the loads, materials and subgrades associated with gravel surfaced roads. These roads have the least initial cost for any project road.
Week 2-2 covers commonly used gravel road thickness design methods.
Week 2-3 covers commonly applied maintenance and construction techniques as they apply to gravel surfaced roads. Extra emphasis is placed on dust control and stabilization.
All weeks slides PDF are attached.
Please answer the question fully in 1-2 pages
