Maine Department of Transportation Caribou Connector ... - Maine.gov

More documents

Recommendations

Info

Caribou 6462.30 Identification of the Preferred Alternative The identification of the Preferred Alternative for this project was based on an analysis of the forecast transportation benefits and environmental impacts of the alternatives and alignment options evaluated for this project. The following sections describe the results of the transportation benefit analysis and environmental impact analysis which led to selection of the Preferred Alternative. Transportation Benefit Analysis The SDEIS TTM1for this project contains a detailed description of the Aroostook County Travel Demand Model that was used to evaluate how the Route 1-161 Connector Alignment Options performed with respect to the USACE Basic Project Purpose (BPP) and the NEPA Purpose and Need. This methodology was subsequently applied to Alignment Options 4A, 4B, and 4C. To better compare the relative difference between the TSM Alternative and Alignment Options 4A, 4B, and 4C’s performance, 2 the results were indexed. For each performance measure, the optimal values were indexed to 1.0, the worst values were indexed to 0, and the remaining values were rated proportionally between 0 and 1.0. See Figure 3-6 For all performance measures considered (travel time savings, vehicle-miles traveled, vehicle-hours traveled, mobility, and downtown traffic shifts), Alignment Option 2 has the greatest transportation benefits because it would save the most time (2.4 minutes) and it would remove the most through
Caribou 6462.30 traffic from downtown Caribou (3,730 vehicles per day, including 340 trucks per day). Of all the 3 FEIS build options (Alignment Options 4A, 4B, 4C), Alignment Option 4A would provide greatest overall transportation benefits. Alignment Option 4B ranked fourth in the transportation benefit analysis, behind Alignment Options 2, 4A and 3, respectively. Alignment Options 1, 4C, and the TSM Alternative performed more poorly than Alignment Option 4B. Environmental Impact Summary The Segment 4 Alignment Options were evaluated to determine their impact on wetlands, stream crossings, and Inland Waterfowl and Wading Bird Habitat (IWWH) based on the calculated slope limits for a 2-lane facility. Impacts to structures, farmland, historic properties, and Section 4(f) properties are based on a 300-foot ROW width because these impacts are caused by land acquisition. Impact to vernal pools is based on a 250-foot offset from the centerline of the proposed 2lane roadway. Detailed results of the environmental impact analysis can be found in Chapter 5. A summary of the results is provided below. The key environmental impacts assessed were impacts to wetlands, streams, farmland, structures, historic structures, and Section 4(f) properties (Table 3-2, above). Wetland impacts were considered because of the need to minimize impacts to the aquatic environment under federal and state regulations. Impacts to resources protected under Section 106 of the National Historic Preservation Act (NHPA), as amended and under Section 4(f) of the DOT Act [Section 4(f)], were also evaluated. Section 4(f) of the DOT Act stipulates that a DOT action may not use land from a Section 4(f) property (public parks, public recreation lands, public wildlife refuges, or historic sites) unless there are no prudent and feasible alternatives. Impacts to farmland were considered to be of critical importance to the affected community because of their protected status under the Federal Farmland Protection Policy Act and because of the importance that agriculture plays in the economy of Aroostook County and its way of life. There are no alignment options that would avoid wetland impacts. Wetland impacts calculated for the various alignment options ranged from approximately 3.4 acres for Alignment Option 4B to 22 acres for Alignment Option 3. A TSM alternative would likely not affect wetlands because it would be within a highly developed urban area. The alignment options can be ranked with respect to wetland impacts, from least (greatest wetland impact avoidance) to most (least wetland avoidance): 1. TSM (least) 2. Alignment Option 4B 3. Alignment Option 1 4. Alignment Option 4C 5. Alignment Option 4A 6. Alignment Option 2 7. Alignment Option 3 (most) Alignment Options 4A and 4B require 1 new stream crossing while Alignment Options 1, 2, and 3 require 2 new stream crossings. Alignment Option 4C and TSM do not require any new stream crossings.
Page 1 and 2: DEPARTMENT OF ENVIRONMENTAL PROTECT
Page 3: APPLICATION FOR A NATURAL RESOURCES
Page 6 and 7: Exhibit 2 Project Need Caribou 6462
Page 8 and 9: 46.867° N ROUTE 161 LOMBARD RD 68.
Page 27 and 28: Caribou 6462.30 Exhibit 5 Construct
Page 29 and 30: SPECIAL PROVISION SECTION 656 Tempo
Page 31 and 32: SPECIAL PROVISION SECTION 656 Tempo
Page 33 and 34: Exhibit 8 Alternatives Analysis Car
Page 35 and 36: Caribou 6462.30 Transportation Syst
Page 37 and 38: Caribou 6462.30 Alignment Option 4A
Page 39: Caribou 6462.30
Page 43 and 44: Damaging Practical Alternative (LED
Page 45 and 46: Caribou 6462.30
Page 51 and 52: Background Exhibit 10 Wildlife Acce
Page 53 and 54: Caribou 6462.30 Exhibit 11 Wetland
Page 55 and 56: Exhibit 12 Functional Assessment Se
Page 57 and 58: Abbreviation Key MaineDOT Functions
Page 59 and 60: Data sheets for wetlands. 1. Town:
Page 61 and 62: 12. Impact Notes/Photos
Page 63 and 64: Functional assessment: 1. Town: Car
Page 65: 12. Impact Notes/Photos
Page 78: Caribou 6462.30 Impacts in Square F
Page 81 and 82: SHEET NUMBER OF STATE OF MAINE DEPA
Page 90:
Exhibit 14 Property Abutters See At
Page 93 and 94:
PIN : 006462.30 TOWN : Caribou PROP
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
MaineDOT Individual Project Comment
Page 101 and 102:
MaineDOT Individual Project Comment
Page 103:
Exhibit 16 Section 106 Information
Page 135 and 136:
Exhibit 17 Compensation See Attache
Page 137 and 138:
Caribou Connector, 6462.30 Wetland
Page 139 and 140:
Page 141 and 142:
Page 143 and 144:
Page 145 and 146:
Page 147 and 148:
Page 149 and 150:
Í 3742 MATTAWAMKEAG RIVER 170 ³±
Page 151 and 152:
Alasmidonta varicosa Carex oronensi
Page 153 and 154:
Page 155 and 156:
Caribou Connector, 6462.30 Appendix
Page 157 and 158:
Page 159 and 160:
Page 161 and 162:
Page 163 and 164:
Page 165 and 166:
Page 167 and 168:
Page 169 and 170:
Page 171 and 172:
Page 173 and 174:
Page 175 and 176:
show all

Maine Department of Transportation Caribou Connector ... - Maine.gov

Create successful ePaper yourself

Delete template?

Save as template?