(a) Under 23 U.S.C. § 134 and 135, and 23 CFR part 450, State and local government officials shall consult and work with Tribes in the development of programs to:

(1) Identify potential discrimination; and

(2) Recommend corrective actions to avoid disproportionately high and adverse effects on Tribes and Indian populations.

(b) Examples of adverse effects include, but are not limited to:

(1) Impeding access to Tribal communities or activities;

(2) Creating excessive access to culturally or religiously sensitive areas;

(3) Negatively affecting natural resources, trust resources, Tribal businesses, religious, and cultural sites;

(4) Harming indigenous plants and animals; and

(5) Impairing the ability of Tribal members to engage in commercial, cultural, and religious activities.