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Hayden Island Interchange Area Management Plan (IAMP)
Project Overview

 
What's New

**Thanks to everyone who attended the Hayden Island Interchange Area Management Plan Open House on Thursday, Oct. 8.
 
Those who were unable to attend the Open House can view the project displays below:
 
To see the Hayden Island IAMP decision process, click here.
 
To view a traffic circulation map around the interchange following construction, click here.
 
To see the Hayden Island access management plan, click here.
 
To view the study area for the Hayden Island IAMP, click here.
 
Click here to see a printable project newsletter.
 

Background
The Oregon Department of Transportation is currently developing the Hayden Island Interchange Area Management Plan (IAMP) in conjunction with the Columbia River Crossing (CRC) project. This work is also being undertaken in cooperation with the City of Portland. The CRC project will reconstruct the I-5 bridge between Oregon and Washington. The Hayden Island IAMP will address the transportation and land use issues associated with proposed improvements to the Hayden Island Interchange.

Purpose of the IAMP

The purpose of an IAMP is to ensure safe and efficient operations between connecting roadways, to protect the function of the interchange, and to minimize the need for future major interchange improvements. It is required by law for any new or significantly reconstructed interchange (OAR 734-051-0155.6). Because new interchanges are very costly, state and local governments, as well as citizens, have an interest in ensuring interchanges function as intended for as long a period as possible, while still supporting planned land use.
 
IAMP Goals and Objectives
The goals of the CRC Hayden Island IAMP are to:
• Ensure safe and efficient operations of I-5 and Hayden Island local streets in the long-term
• Balance the needs of the Hayden Island community with the needs of the traveling public
• Create safe accesses for local businesses and property owners that are as convenient as possible
• Support the vision laid out in the City of Portland’s Hayden Island Plan
• Consider current land uses and the potential for future development
• Keep traffic moving smoothly on roads that connect the different parts of the interchange
 
Who is Affected by the Hayden Island IAMP
• Hayden Island residents and businesses
• Hayden Island visitors
• Hayden Island workers

Contact Information
Andy Johnson, ODOT Principal Planner
503.731.8356
Andrew.Johnson@odot.state.or.us
 
Mike Mason, ODOT Community Affairs Coordinator
503.731.8246
Michael.W.Mason@odot.state.or.us

 

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