or 217 interchange management study
DESCRIPTION
OR 217 Interchange Management Study. A la carte planning for an unpredictable fiscal future. John Bosket, PE. Downtown Portland. Beaverton Regional Center. Washington Square Regional Center. Tigard Town Center. 120,000 ADT. 12 interchanges in 7 miles. 2 lanes. 2 nd. - PowerPoint PPT PresentationTRANSCRIPT
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OR 217 Interchange Management Study
John Bosket, PE
A la carte planning for an unpredictable fiscal future
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120,000 ADT
Beaverton Regional Center
DowntownPortland
Washington Square
Regional Center
Tigard Town
Center
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12 interchanges in 7 miles
2 lanes
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2nd Least reliable freeway
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60% Non-recurrent congestion
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70%
50%
Rear end collisions
Crashes in AM and PM peak periods
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Photo by Michael Marcovici
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Photo by Steve Rhodes
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Is there a project we can afford that will make a difference?
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mobility
reliability
safety cost
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1. System management2. Ramp management3. Surface streets4. Interchange improvements
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1. System management2. Ramp management3. Surface streets4. Interchange improvements
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• A menu of compatible projects
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• A menu of compatible projects
• A range of project costs
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• A menu of compatible projects
• A range of project costs
• Flexible funding
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• A menu of compatible projects
• A range of project costs
• Flexible funding
All projects advance the objective of improving reliability and safety
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• 1.5 miles of shoulder widening
• Ramp meter upgrades
• 28 dynamic message signs on
mainline and arterials
• Full detection and
communications upgrades
• All new pavement
By 2013
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So…?
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So…?
We can make a difference with less money
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So…?
Please keep sharing
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John Bosket, PE