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Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Great Western CorridorFeasibility Study
Yavapai County Board of SupervisorsApril 5, 2010
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Project History• Central Yavapai Metropolitan Planning Organization (CYMPO)
– Based on previous studies dating back to 1995 and the 2006 CYMPO study, a need for a new high capacity access controlled roadway was identified to meet year 2030 traffic demands.
• Arizona Department of Transportation (ADOT)– Transportation Investment Strategy identified the need for Great
Western/Glassford Hill Corridor to meet future traffic demands.
• Yavapai County– Taking the lead to further study the Great Western Corridor for a future
controlled access roadway.
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Project Schedule
• Oct 2008 – Study initiated• Feb 2009 – Agency Scoping Meeting and Public
Open House • July 2009 – Public Information Open House to
present alternatives• Sept 2009 – Preferred Corridor Alignment selected• March 2010 – Feasibility Study, 15% Plans, and
Environmental Overview complete
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Regional Map
Great Western Study Corridor
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Project Locatio
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Gra
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Will
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Glassfo
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ill Rd
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Project Overview• Need for a regional system as identified by CYMPO, Yavapai
County, and ADOT • Continual coordination with agencies, community, and
stakeholders• Define the future controlled access roadway needed to efficiently
move regional traffic• Evaluate the environmental impacts of the preferred roadway
corridor• Prepare Feasibility Study and 15% design plans to identify future
right-of-way requirements• No construction funding
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Stakeholders• Yavapai County Public Works• ADOT Prescott District• ADOT Roadway• ADOT PreDesign• ADOT Environmental• FHWA• City of Prescott• Town of Prescott Valley• Town of Chino Valley• AZ Game & Fish Department• AZ Fish & Wildlife• Arizona State Land Department• Granite Dells Estates (Fann)• Granite Dells Ranch (Cavan)• Deep Well Ranch (James)• Cortez Enterprises
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
2030 Projected Traffic Volumes
Future Traffic
57,000
64,0
0091
,000
106,000
80,000
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Recommended Typical Section
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Alternative AlignmentsOuter Loop Rd
Road 5 South
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Alternative Evaluation Matrix
- Economic Development- Engineering Considerations- Construction & Maintenance Costs- Transportation Systems- Environmental Considerations
Evaluation Categories
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Alignment Features
Preferred Alternative
- 2nd shortest alignment
- Minimal utility conflicts
- Least potential fragmentation of pronghorn antelope habitat
- Furthest alignment from existing residential
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Preferred Corridor Alignment
Road 5 SouthRoad 5 South
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Glassfo
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Glassfo
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Gre
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Gre
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Future Future Chino ValleyChino Valley
ExtensionExtension
Future Future Outer LoopOuter LoopExtension Extension & SR 89 & SR 89
InterchangeInterchange
Future SR 89A Future SR 89A System System InterchangeInterchange
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Recommended Phasing
FutureFutureChino ValleyChino ValleyExtension & Extension &
SystemSystemInterchangeInterchange
FutureFutureOuter Loop Rd Outer Loop Rd Extension & Extension &
SR 89SR 89InterchangeInterchange
Phase 1 - Great Western local diamond interchange on SR 89A - Limited access road - 1st interchange (by developers)
Phase 2 - 1st segment of Great Western Extension (4 lanes) - 2nd interchange (by developers) - Great Western on/off ramps
Phase 3 - Remaining segment of Great Western Extension - Granite Creek Bridge - At-grade intersection at SR 89
Phase 4 - 3rd interchange (by developers)
Phase 5 - Future SR 89A Interchange (configuration TBD)
Road 5 SouthRoad 5 South
Gra
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Gra
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Glassfo
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Glassfo
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rnG
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es
tern
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Final Study Products
• Existing Drainage Report• Technical Memo re: Granite Creek Crossing Analysis• Traffic Report• Feasibility Study• Environmental Overview• 15% Design Plans
Great Western/Glassford Hill Extension StudyGreat Western Corridor Study
Questions and Comments
http://www.co.yavapai.az.us/PubWorks.aspx
Thank you!
For more information please visit the Yavapai County Web site: