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Published byAnnabel Herndon Modified over 10 years ago
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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 Downtown Portland Washington Square Regional Center Tigard Town Center
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12 interchanges in 7 miles 2 lanes
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2 nd 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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mobilityreliability safety cos t
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1. System management 2. Ramp management 3. Surface streets 4. Interchange improvements
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1. System management 2. Ramp management 3. Surface streets 4. Interchange improvements
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A menu of compatible projects
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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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We can make a difference with less money
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So…? Please keep sharing
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John Bosket, PE
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