Technical Memo 7: Environmental Scan Highway 169 Mobility Study Version 1.0 Minnesota Department of Transportation March 2017 SRF No. 8989 Contents Purpose ........................................................................................................................ 7 Study Area Location ................................................................................................... 7 Alignments ................................................................................................................... 7 Highway Bus Rapid Transit (BRT) .................................................................................................. 11 Highway 169 and Highway 55 BRT Alignment ............................................................... 11 Highway 169 and I-394 BRT Alignment .......................................................................... 12 MnPASS Express Lanes .................................................................................................................... 12 Report Format ........................................................................................................... 12 Noise and Vibration .................................................................................................. 14 Overview ............................................................................................................................................. 14 Regulatory Framework ...................................................................................................................... 15 Data Sources and Methodology ....................................................................................................... 15 Noise ....................................................................................................................................... 15 Vibration ................................................................................................................................ 15 Comparative Analysis ........................................................................................................................ 16 Conclusions ........................................................................................................................... 20 Cultural and Historic Resources ............................................................................. 21 Overview ............................................................................................................................................. 21 Regulatory Framework ...................................................................................................................... 21 Section 4(f) ............................................................................................................................. 21 Section 106 ............................................................................................................................ 21 Data Sources and Methodology ....................................................................................................... 22 Comparative Analysis ........................................................................................................................ 22 Conclusions ........................................................................................................................... 24 Parks, Trails, and Recreational Areas ................................................................... 25 Overview ............................................................................................................................................. 25 Regulatory Framework ...................................................................................................................... 25 Section 4(f) ............................................................................................................................. 25 Environmental Scan ii SRF Consulting Group, Inc. Highway 169 Mobility Study Minnesota Department of Transportation Section 6(f) ............................................................................................................................. 25 Data Sources and Methodology ....................................................................................................... 25 Comparative Analysis ........................................................................................................................ 26 Parks ....................................................................................................................................... 26 Section 6(f) ............................................................................................................................. 28 Golf Courses ......................................................................................................................... 29 Regional Trails ....................................................................................................................... 29 Local Trails ............................................................................................................................ 30 Conclusions ........................................................................................................................... 32 Threatened and Endangered Species ................................................................... 32 Overview ............................................................................................................................................. 32 Regulatory Framework ...................................................................................................................... 32 Data Sources and Methodology ....................................................................................................... 32 Comparative Analysis ........................................................................................................................ 33 Federally Listed Species ....................................................................................................... 33 State Listed Species .............................................................................................................. 33 Conclusions ........................................................................................................................... 35 Wetlands .................................................................................................................... 35 Overview ............................................................................................................................................. 35 Regulatory Framework ...................................................................................................................... 35 Data Sources and Methodology ....................................................................................................... 36 Comparative Analysis ........................................................................................................................ 36 Floodplains ................................................................................................................ 38 Overview ............................................................................................................................................. 38 Regulatory Framework ...................................................................................................................... 38 Data Sources and Methodology ....................................................................................................... 38 Comparative Analysis ........................................................................................................................ 39 Hazardous Materials and Existing Contamination .............................................. 41 Overview ............................................................................................................................................. 41 Regulatory Framework ...................................................................................................................... 41 Data Sources and Methodology ....................................................................................................... 41 Environmental Scan iii SRF Consulting Group, Inc. Highway 169 Mobility Study Minnesota Department of Transportation Comparative Analysis ........................................................................................................................ 42 Land Use .................................................................................................................... 44 Overview ............................................................................................................................................. 44 Regulatory Framework ...................................................................................................................... 44 Data Sources and Methodology ....................................................................................................... 44 Comparative Analysis ........................................................................................................................ 44 Highway 169 and 55 BRT Alignment ................................................................................ 45 Highway 169 and I-394 BRT Alignment .......................................................................... 47 Multi-modal, Bicycle, and Pedestrian Access to Stations