or 217 interchange management study john bosket, pe a la carte planning for an unpredictable fiscal...

OR 217 Interchange Management Study

John Bosket, PE

A la carte planning for an unpredictable fiscal future

120,000 ADT

Beaverton Regional Center

DowntownPortland

Washington Square

Regional Center

Tigard Town

Center

12 interchanges in 7 miles

2 lanes

2nd Least reliable freeway

60% Non-recurrent congestion

70%

50%

Rear end collisions

Crashes in AM and PM peak periods

Photo by Michael Marcovici

Photo by Steve Rhodes

Is there a project we can afford that will make a difference?

mobility

reliability

safety cost

1. System management2. Ramp management3. Surface streets4. Interchange improvements

1. System management2. Ramp management3. Surface streets4. Interchange improvements

• A menu of compatible projects

• A menu of compatible projects

• A range of project costs

• A menu of compatible projects

• A range of project costs

• Flexible funding

• A menu of compatible projects

• A range of project costs

• Flexible funding

All projects advance the objective of improving reliability and safety

• 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

So…?

So…?

We can make a difference with less money

So…?

Please keep sharing

John Bosket, PE