SR189 Design Concept Report and Environmental...
Transcript of SR189 Design Concept Report and Environmental...
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Arizona Department of Transportation andFederal Highway Administration
Study UpdateSeptember 18th, 2015
ADOT Project No.: 189 SC 000 H8045 01LFederal Aid No.: 189-A(201)T
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Study Deliverables
• Alternative Screening Report (Jan 2015)
• Recommended Corridor Concept
• Evaluated numerous I-19 Interchange Options
• Design Concept Report (Draft Dec 2015)
• Environmental Assessment (Draft Spring 2016)
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Design Concept Report (DCR)
• 30% design of the preferred Build Alternative
• Implementation Plan
• Discuss major design features of the preferred Build Alternative
• Estimate of probable cost
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Environmental Assessment (EA)
• The EA will describe the following: Project’s purpose and need The anticipated impacts that the project activities would have on:
• Natural, cultural, recreational, historic resources• Planned growth and land use for the area• As well as socioeconomic impacts, among others
Project alternatives considered, and Recommended Plan Public, Agency & Stakeholder input Measures that can mitigate impacts
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SR 189 and I-19 Traffic Interchange Concept
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Option D - Diamond with Inside Flyover & Grade Separation TI
Multi-directional ramps (NB & SB access)
NB/SB ramps bridge over Frank Reed Rd.
Est. Cost $130-$140M (ramps only)
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SR 189 Design Concept
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SR 189 Design Concept
Multi-directional ramps (NB & SB access)NB/SB ramps
Bridge over Frank Reed Rd.
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State Route 189 Design Concept
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Study Level Cost Estimates
• Corridor Improvements ($20M - $50M)
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Study Level Cost Estimates
• Corridor Improvements ($20M - $50M)
• Interchange Improvements ($100M- $150M)
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Funding
• Total Cost (Preferred Ultimate Plan)
• $120M - $200M
• Anticipated Funding to Date (Development Plan)
• $64M (FY2021)
• Funding Shortfall (Local Partnerships)
• $60M - $140M
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Next Steps
• Complete Design Concept Report (Draft Dec 2015)
• 30% Design of Preferred Ultimate Plan
• Implementation Scenarios
• Environmental Assessment (Draft Spring 2016)
• No Build Alternative & Preferred
• Public Hearings
• Funding Options