I've been up and down California Route 1 a couple of dozen times in both cars and on a motorcycle. Beautiful road, particularly if you like to drive fast around curves. The only downside is getting stuck behind a Winnebago or twelve. I don't think Route 1 belongs on that list as compared to some of the others.
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Mike - '68 Camaro with some stuff done to it
I've driven that HWY 82 here in Colorado with the state truck and a trailered boat. That rig is a '99 Chevy 1 ton four door dually (aka: ambulance) with a 22 foot Hewes Craft behind it. Yeah, there is a pucker factor .... but it's doable even in the monster rig I drove through there.