Code of Federal Regulations Title 43. Public Lands:  Interior § 43.2802.11 How does the BLM designate right-of-way corridors and designated leasing areas?

(1) Federal, state, and local land use plans, and applicable Federal, state, local, and tribal laws;

(2) Environmental impacts on cultural resources and natural resources, including air, water, soil, fish, wildlife, and vegetation;

(3) Physical effects and constraints on corridor placement or leasing areas due to geology, hydrology, meteorology, soil, or land forms;

(4) Costs of construction, operation, and maintenance and costs of modifying or relocating existing facilities in a proposed right-of-way corridor or designated leasing area (i.e., the economic efficiency of placing a right-of-way within a proposed corridor or providing a lease inside a designated leasing area);

(5) Risks to national security;

(6) Potential health and safety hazards imposed on the public by facilities or activities located within the proposed right-of-way corridor or designated leasing area;

(7) Social and economic impacts of the right-of-way corridor or designated leasing area on public land users, adjacent landowners, and other groups or individuals;

(8) Transportation and utility corridor studies previously developed by user groups;  and

(9) Engineering and technological compatibility of proposed and existing facilities.