Northwest Corridor
LRT Line to Irving/DFW Airport
Draft Environmental Impact Statement

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LIST OF TABLES

Table ES-1 Summary of LRT Alternative Environmental Impacts (87KB PDF) ES-8
Table 1-1 Forecast Population and Employment Growth (70KB PDF) 1-9
Table 1-2 Existing and Projected Traffic Volumes (73KB PDF) 1-10
Table 2-1 Station Characteristics - LRT Alternative (77KB PDF) 2-15
Table 2-2 Bus Operating Plan - LRT Alternative (66KB PDF) 2-30
Table 2-3 Traction Power Substations (63KB PDF) 2-32
Table 2-4 Summary of Operation and Maintenance Cost Inputs (67KB PDF) 2-33
Table 2-5 Operating and Maintenance Cost Variables (68KB PDF) 2-34
Table 2-6 Operating and Maintenance Cost Constant $2006 (68KB PDF) 2-34
Table 3-1 Corridor Cities Land Use (70KB PDF) 3-3
Table 3-2 Irving/DFW Corridor Land Use (75KB PDF) 3-7
Table 3-3 Schools and Community Facilities (71KB PDF) 3-12
Table 3-4 Major Activity Centers and Employers (75KB PDF) 3-13
Table 3-5 Population Change 1990-2000 Region, County and Corridor Cities (69KB PDF) 3-16
Table 3-6 Demographic Forecast Region, County and Corridor Cities (70KB PDF) 3-17
Table 3-7 Demographic Forecast Las Colinas and Irving/DFW Corridor (70KB PDF) 3-17
Table 3-8 Land Area by Census Tract Irving/DFW Corridor (2000 Census Tracts) (72KB PDF) 3-18
Table 3-9 Population Change 1990-2000, Irving/DFW Corridor (72KB PDF) 3-18
Table 3-10 Demographic Profile DART Service Area, County, and Corridor Cities (70KB PDF) 3-21
Table 3-11 Demographic Profile Irving/DFW Corridor Census Tracts (71KB PDF) 3-22
Table 3-12 Employment Change 1990-2000 County and Corridor Cities (71KB PDF) 3-24
Table 3-13 Employment 1990 -1998 Irving/DFW Corridor Census Tract (71KB PDF) 3-24
Table 3-14 Employment Projections Region, County, Corridor Cities and Irving/DFW Corridor (76KB PDF) 3-26
Table 3-15 Major Roadways Paralleling the Proposed Alignment (71KB PDF) 3-35
Table 3-16 Major Roadways Crossing the Proposed Alignment (71KB PDF) 3-35
Table 3-17 Existing Irving/DFW LRT Corridor Bus Ridership (71KB PDF) 3-37
Table 3-18 Bus Operations Summary (71KB PDF) 3-37
Table 3-19 Parking Facilities at Existing Transit Centers (75KB PDF) 3-42
Table 3-20 National Ambient Air Quality Standards (68KB PDF) 3-46
Table 3-21 Motor Vehicle Emission Budgets and Estimated Emissions for the Dallas/Fort Worth Nine-County Nonattainment Area (84KB PDF) 3-48
Table 3-22 Local Air Monitoring Stations Data Summary (80KB PDF) 3-51
Table 3-23 FTA Noise Impact Criteria (68KB PDF) 3-56
Table 3-24 Summary of Existing Ambient Noise Measurement Results (69KB PDF) 3-57
Table 3-25 Ground-Borne Vibration Impact Criteria (69KB PDF) 3-61
Table 3-26 Ground-Borne Vibration Impact Criteria for Special Buildings (69KB PDF) 3-61
Table 3-27 General Rating of Corridor Visual Assessment Units (70KB PDF) 3-66
Table 3-28 Evaluation Ratings (70KB PDF) 3-66
Table 3-29 Parks and Recreational Resources within 700’ of the Alignment (75KB PDF) 3-75
Table 3-30 Waters of the U.S. and Wetland Types Present within the Project Corridor (75KB PDF) 3-77
Table 3-31 Length and Area of Waters Located within the Project Corridor (68KB PDF) 3-78
Table 3-32 Area of Wetlands Located within the Project Corridor (68KB PDF) 3-78
Table 3-33 Area and Classifications of Waters and Wetlands within ¼ Mile of Proposed Stations (exclusive of corridor) (67KB PDF) 3-91
Table 3-34 Total Size of Plant Communities Present within the Project Corridor (exclusive of stations) (84KB PDF) 3-92
Table 3-35 Plant Communities and Their Sizes Present within Project Corridor (80KB PDF) 3-94
Table 3-36 Threatened, Endangered, and Rare Species Occurring or Potentially Occurring in Dallas County (78KB PDF) 3-97
Table 3-37 Soil Types Intersecting the Alignment (87KB PDF) 3-101
Table 3-38 Floodplain Crossings (74KB PDF) 3-105
Table 3-39 Summary of Registered and Non-Registered Facilities (68KB PDF) 3-108
Table 3-40 Summary of Findings for the Regulatory Database Search (142KB PDF) 3-111
Table 4-1 2030 Transit System Level of Service Performance Measures (DART System-wide) (68KB PDF) 4-2
Table 4-2 Preliminary Operating Plan for the LRT Alternative (67KB PDF) 4-3
Table 4-3 Transit Travel Times from Select Origins and Destinations (68KB PDF) 4-4
Table 4-4 Daily LRT Alternative Station Passenger Volumes in 2030 (78KB PDF) 4-6
Table 4-5 2030 Freeway ADT in the Northwest Corridor (71KB PDF) 4-9
Table 4-6 2030 Arterial ADT in the Northwest Corridor (69KB PDF) 4-11
Table 4-7 Level of Service Criteria for Signalized Intersections (79KB PDF) 4-13
Table 4-8 Grade Crossing Analysis (79KB PDF) 4-13
Table 4-9 LRT Roadway Crossing Configurations (70KB PDF) 4-15
Table 4-10 Proposed Parking and Bus Facilities at LRT Stations (69KB PDF) 4-18
Table 5-1 Station Area Acquisitions and Land Use (69KB PDF) 5-10
Table 5-2 Alignment Acquisitions and Land Use (69KB PDF) 5-11
Table 5-3 Micro-scale CO Analysis Sites (85KB PDF) 5-13
Table 5-4 2025 Projected Corridor Pollutant Burden (DFW) (77KB PDF) 5-14
Table 5-5 2025 Carbon Monoxide Concentrations (70KB PDF) 5-15
Table 5-6 Conformity Analysis Findings (9-County Nonattainment Area) Vehicle Emission Summary (76KB PDF) 5-17
Table 5-7 Noise Impacts for Land Use, Daytime/Nighttime (Category 2) (75KB PDF) 5-19
Table 5-8 Noise Impacts for Institutional Land Use without Nighttime(Category 1&3) (75KB PDF) 5-19
Table 5-9 Land Use Category 2 Vibration Impacts (72KB PDF) 5-21
Table 5-10 Land Use Category 1 and 3 Vibration Impacts (70KB PDF) 5-22
Table 5-11 Visual and Aesthetic Impacts (72KB PDF) 5-24
Table 5-12 Impacts to Waters and Wetlands (including potentially jurisdictional waters of the U.S.) (72KB PDF) 5-29
Table 5-13 Designated and Suspected Floodplains crossed/bordered by Alignment (85KB PDF) 5-37
Table 5-14 Moderate Environmental Risk Sites (79KB PDF) 5-41
Table 5-15 Construction Elements by Elevation (68KB PDF) 5-50
Table 5-16 Construction Coordination (68KB PDF) 5-52
Table 5-17 Typical Noise Levels of Construction Equipment (68KB PDF) 5-53
Table 5-18 FTA Construction Noise Guidelines (68KB PDF) 5-53
Table 5-19 Construction-related Traffic Impacts (77KB PDF) 5-56
Table 5-20 Ordinances Applicable to Project Construction in City ROW (77KB PDF) 5-56
Table 5-21 Analysis of Environmental Effects on Recreational Facilities (70KB PDF) 5-63
Table 5-22 Environmental Justice Evaluation of Census Tracts in Project Corridor (72KB PDF) 5-67
Table 5-23 Environmental Justice Census Tracts with High Poverty, Minority, or Hispanic Populations (72KB PDF) 5-67
Table 5-24 Project Impacts Related to FAA Environmental Impact Assessment Guidance (69KB PDF) 5-71
Table 5-25 Required Permits and Approvals (68KB PDF) 5-72
Table 6-1 Parks and Recreational Lands (68KB PDF) 6-4
Table 6-2 Effect of Project on Parks and Recreational Lands (78KB PDF) 6-5
Table 7-1 Summary of Public and Agency Participation (83KB PDF) 7-3

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