TABLE of CONTENTS Section 1 Introduction and Purpose & Need
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156th Street Improvements - Phase 2 Pepperwood Drive to Corby Street Project Number: MAPA-5127(1) CN: 22376 City of Omaha, Douglas County, Nebraska Draft Environmental Assessment June 2014 Submitted Pursuant to 42 USC 4332 (2) (c) by the: U.S. Department of Transportation Federal Highway Administration and Nebraska Department of Roads and City of Omaha Cooperating Agency: Douglas County __________________ ____________________________ Date of Approval for City of Omaha __________________ ____________________________ Date of Approval for Douglas County __________________ ____________________________ Date of Approval for NDOR __________________ ____________________________ Date of Approval for FHWA The following persons may be contacted for additional information concerning this document: ____________________ ____________________ ____________________ ____________________ Robert Stubbe, PE Tom Doyle, PE Mike Owen, PE Melissa Maiefski Public Works Director County Engineer Project Development Engineer Project Delivery Team Lead City of Omaha, NE Douglas County, NE Nebraska Department of Roads Federal Highway Administration 1819 Farnam St, Suite 604 15505 West Maple Road PO Box 94759 100 Centennial Mall North Omaha, NE 68183 Omaha, NE 68116 Lincoln, Nebraska 68509 Lincoln, Nebraska 68508 (402) 444-5000 (402) 444-6372 (402) 479-4795 (402) 742- 8473 [email protected] [email protected] [email protected] [email protected] Draft Environmental Assessment 156th Street Phase 2, Pepperwood to Corby Project Number: MAPA-5127(1) CN: 22376 City of Omaha, Nebraska June 2014 Draft Environmental Assessment 156th Street Phase 2, Pepperwood to Corby Project Number: MAPA-5127(1) CN: 22376 City of Omaha, Nebraska TABLE OF CONTENTS Section 1 Introduction and Purpose & Need ....................................................................................1 1.1 Introduction .................................................................................................................................. 1 1.2 Background and Study Area .......................................................................................................... 1 1.2.1 Background ........................................................................................................................... 1 1.2.2 Logical Termini and Environmental Study Area .................................................................... 5 1.2.3 Adjacent Projects .................................................................................................................. 7 1.3 Purpose of the Proposed Project .................................................................................................. 9 1.4 Need for the Proposed Project ..................................................................................................... 9 1.4.1 Insufficient Roadway Capacity ............................................................................................ 10 1.4.2 Unacceptable Delay at Intersections .................................................................................. 11 1.4.3 Discontinuity with Roadways and Intersections (Vehicular System Linkage) ..................... 12 1.4.4 Inadequate Pedestrian and Bicycle Accessibility (Pedestrian System Linkage) .................. 12 1.5 Summary ..................................................................................................................................... 15 Section 2 Alternatives ................................................................................................................... 17 2.1 Other Alternatives Considered ................................................................................................... 17 2.2 No-Action Alternative ................................................................................................................. 18 2.3 Proposed Alternative .................................................................................................................. 18 2.4 Proposed Funding Plan and Project Implementation (Phasing) ................................................. 20 Section 3 Affected Environment and Environmental Consequences ............................................... 23 3.1 Land Use ...................................................................................................................................... 24 3.1.1 Current Conditions .............................................................................................................. 24 3.1.2 Environmental Consequences............................................................................................. 27 3.1.3 Proposed Mitigation ........................................................................................................... 27 3.2 Social and Economic Considerations .......................................................................................... 27 3.2.1 Current Conditions .............................................................................................................. 28 3.2.2 Environmental Consequences............................................................................................. 31 3.2.3 Proposed Mitigation ........................................................................................................... 32 3.3 Environmental Justice ................................................................................................................. 33 3.3.1 Current Conditions .............................................................................................................. 34 June 2014 i Draft Environmental Assessment 156th Street Phase 2, Pepperwood to Corby Project Number: MAPA-5127(1) CN: 22376 City of Omaha, Nebraska 3.3.2 Environmental Consequences............................................................................................. 39 3.3.3 Proposed Mitigation ........................................................................................................... 40 3.4 Right-of-Way, Acquisitions, and Relocations .............................................................................. 40 3.4.1 Current Conditions .............................................................................................................. 41 3.4.2 Environmental Consequences............................................................................................. 41 3.4.3 Proposed Mitigation ........................................................................................................... 42 3.5 Pedestrians, Bicyclists, and Accessibility for Individuals with Disabilities .................................. 43 3.5.1 Current Conditions .............................................................................................................. 43 3.5.2 Environmental Consequences............................................................................................. 46 3.5.3 Proposed Mitigation ........................................................................................................... 46 3.6 Parks, Recreation Areas, and Section 4(f) Resources ................................................................. 47 3.6.1 Current Conditions .............................................................................................................. 47 3.6.2 Environmental Consequences............................................................................................. 48 3.6.3 Proposed Mitigation ........................................................................................................... 49 3.7 Historic and Archeological Resources ......................................................................................... 49 3.7.1 Current Conditions .............................................................................................................. 49 3.7.2 Environmental Consequences............................................................................................. 49 3.7.3 Proposed Mitigation ........................................................................................................... 50 3.8 Water Resources and Water Quality .......................................................................................... 51 3.8.1 Current Conditions .............................................................................................................. 51 3.8.2 Environmental Consequences............................................................................................. 55 3.8.3 Proposed Mitigation ........................................................................................................... 56 3.9 Wetland and Riparian Areas ....................................................................................................... 57 3.9.1 Current Conditions .............................................................................................................. 57 3.9.2 Environmental Consequences............................................................................................. 57 3.9.3 Proposed Mitigation ........................................................................................................... 58 3.9.4 Compliance with Executive Order 11990 ............................................................................ 58 3.10 Floodplains .................................................................................................................................. 59 3.10.1 Current Conditions 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