ULTIMATE INTERSTATES

PORTLAND METRO



GENERAL INFORMATION & MAP

Oregon and Washington would see a number of interstate improvements. The map below shows these various improvements. Solid Blue Lines indicate new free and purple indicates toll interstate routes. Dotted lines show additional Proposed routes or alternative routes. Red lines show existing Interstate highways. Click on a shaded region below to view more detailed information about interstate ideas for that area

Interstate 484
Description This interstate would replace existing OR-217 from Tigard to Cedar Hills.
Purpose and Need To connect I-5 south of Portland with ultimate interstate 84 corridor extension and to provide continuity with the existing interstate system.