Categorical Exclusion Determination
Office of NEPA Policy and Compliance
July 2, 2018The Idaho National Laboratory has a variety of highways and roads ranging from paved State Highways, paved roads, improved and unpaved roads to lightly used two track trails. Roads that access the interior of the Idaho National Laboratory include gravel, dirt, two-track roads and trails, often designated as “T-Roads” or unpaved, unimproved, two-track roads.