Research Highlights

The Use of Mt. Mazama Volcanic Ash as Natural Pozzolans for Sustainable Soil and Unpaved Road Improvement

Matthew Sleep
The Klamath Basin, located in Southern Oregon, is a small, rural community with significant agricultural and timber resources. The formation of this community in the early part of the 20th century began with ‘reclaiming’ wetlands for agricultural use. A series of canals, levees, dams and pumping stations were constructed to irrigate reclaimed wetland areas. Recently the Bureau of Reclamation has reclaimed some of these former wetland areas back to wetlands. These wetlands serve as wil... Read More

How does transportation affordability vary between TODs, TADs, and other areas

Brenda Scheer
Reid Ewing
Expenditures on transportation have increased from the sixth largest share (less than 2%) of household budgets in 1917 to the second largest share (over 20%) since the 1970s. Under this circumstance, transit-oriented development (TOD) has gained popularity worldwide as a sustainable form of urbanism by concentrating developments near a transit station so as to minimize auto-dependency and maximize ridership. A TOD project should give people more transportation options and decrease their trans... Read More