Because the plan is to include the means to send Trimet MAX light rail across the river to Vancouver, I suppose it's been easy to lean toward support of this freeway enhancement program, while dismissing the (voluble) opposition as north-of-the-river manifestation of right-wing, anti-government, anti-transit resistance to progress.
But now comes The CRC Mega-Highway Project, a three part series beginning today at the Seattle Transit Blog.