Originally Posted by
phoshzzle
I just passed Customs into Canada with 1) Birth Certificate, 2) Driver's License, and 3) Expired Passport, except I accidently grabbed my expired one instead of my renewed one. The guard there said I should be okay coming back. Can an expired passport be valid if I already renewed it? Btw, I'm travelling via Megabus.
At least under old rules, re-entering the US with a previous passport was expressly permitted. I once entered via a land border with a hole-punched passport with a "Canceled" stamp, and they didn't say a thing.
I suspect you won't have any trouble. Maybe a slight delay at the worst.