Extremely unlikely. The population density just isn't there. There are 12m people in Washington and Oregon combined, a substantial portion of whom are not on the I-5 corridor. The corridor in general is about 800km long. Compare to ~70m within 500 km of Paris.
You probably don’t realize this, but you’re just perpetuating misinformation that’s been debunked repeatedly for decades.
By contrast, all the other standard HSR candidates anchor regions that involve at least one, and for all but the Midwest two, cities in the top 10, with many more in the top 50.