COMPARISON CHART
LAW	SECTION 4(f)	SECTION 106		SECTION 6(f)
Legislative Reference	Section 4(f) of DOT Act	National Historic Preservation Act, Section 106		Land and Water Conservation Fund Act, Section 6(f)
Type of Legislation	Preservation	Preservation		Preservation
Purpose	Avoid use of public parks, waterfowl and wildlife refuges and significant historic sites	Protect, rehabilitate, restore and re-use districts, sites, buildings, structures and objects significant in American architecture, archeology and culture		Preserve, develop and assure the quality and quantity of outdoor parks and recreation areas and refuges for present and future generations
Applies to ...	US Department of Transportation projects	Federal projects		Federal projects
Affects ...	Significant public parks, recreation areas, wildlife and waterfowl refuges, and all significant historic sites "used" for a highway project	All properties on or eligible for inclusion on the National Register of Historic Places		All projects that impact recreational lands purchased or improved with land and water conservation funds
General Procedures	Must avoid protected areas, if feasible and prudent; must include all possible planning to minimize harm	Must identify and determine the effects of project on subject properties; must give Advisory Council an early opportunity to comment; must avoid or mitigate effects as much as possible		Secretary of Interior must approve any conversion of property acquired or developed with assistance under this act
Requirements	Consultation, avoidance or mitigation	Consultation and mitigation when affected		Consultation, avoidance or mitigation
Coordination with ...	DOI, DOA, HUD, State Preservation Officer, State or local agencies with jurisdiction	State Historic Preservation Officer, Advisory Council on Historic Preservation, DOI (National Park Service)		DOI, state agencies
Relationship to other statutes	Sections 6(f) and 106 are integral to Section 4(f) compliance	Sections 4(f) and 6(f) are not integral to Section 106 process		Sections 4(f) and 106 are not integral to Section 6(f) process
Relationship to NEPA	Considered in the NEPA process	Considered in the NEPA process		Considered in the NEPA process