(Source: FHWA Section 4f Workshop handout 11/2011) De Minimis Impact Independent Use of Historic Minor Involvement with Minor Involvement Transportation Bikeway or Bridges PE Parks, Recreation with Historic Sites Projects that have a Walk way Lands, and Wildlife and PE Net Benefit to Projects PE Waterfowl Refuges PE a Section 4f Property PE 12/13/05 guidance issued 5/23/77 7/5/83 12/23/86 12/23/86 4/20/05 Date Enacted Project Type Any type of project Independent Rehabilitation or Improvement of Improvement of Any type of project Bikeway or replacement of operational characteristics, operational on existing or new walkway historic bridges safety, and or physical characteristics, alignment project, not condition of an existing safety, and or incidental highway on essentially the physical condition of activities of a same alignment an existing highway highway on essentially the project same alignment NEPA CE, EA, or EIS CEs or EAs CE, EA, or EIS CEs or EAs only CEs or EAs only CE, EA, or EIS only All Section 4(f) properties Parks or Historic Bridges Parks, Recreation ands Historic sites All section 4f 4f Property recreation that are not a and wildlife and waterfowl adjacent to the properties Applicability areas only National refuges adjacent to the existing highway Historic existing highway facility facility Landmark Impact For historic properties: The amount of No property significant If bridge can be No Historic Properties that may be impacts (No rehabilitated Threshold Affected OR acquired/used: without affecting , historic site the historic Total Size of Maximum Transportation impacts, integrity, section Section 4(f) to be program or project minimal water 4(f) does not site: acquired has no adverse effect quality apply. <10 acres 10% of on historic sites impacts, etc.) site
(Source: FHWA Section 4f Workshop handout 11/2011) De Minimis Impact Independent Bikeway or Walk way Projects PE Use of Historic Bridges PE Minor Involvement with Parks, Recreation Lands, and Wildlife and Waterfowl Refuges PE Minor Involvement with Historic Sites PE Transportation Projects that have a Net Benefit to a Section 4f Property PE Date Enacted 12/13/05 guidance issued 5/23/77 7/5/83 12/23/86 12/23/86 4/20/05 Project Type Any type of project Independent Bikeway or walkway project, not incidental activities of a highway project Rehabilitation or replacement of historic bridges Improvement of operational characteristics, safety, and or physical condition of an existing highway on essentially the same alignment Improvement of operational characteristics, safety, and or physical condition of an existing highway on essentially the same alignment Any type of project on existing or new alignment NEPA CE, EA, or EIS CEs or EAs only CE, EA, or EIS CEs or EAs only CEs or EAs only CE, EA, or EIS 4f Property Applicability All Section 4(f) properties Parks or recreation areas only Historic Bridges that are not a National Historic Landmark Parks, Recreation ands and wildlife and waterfowl refuges adjacent to the existing highway facility Historic sites adjacent to the existing highway facility All section 4f properties Impact Threshold For historic properties: No Historic Properties Affected OR Transportation program or project has no adverse effect on historic sites No significant impacts (No historic site impacts, minimal water quality impacts, etc.) If bridge can be rehabilitated without affecting the historic integrity, section 4(f) does not apply. The amount of property that may be acquired/used: , Total Size of Section 4(f) site: Maximum to be acquired <10 acres 10% of site
comparisonchart.docx