Mostly, I don't think we should be encouraging a ton of people to all show up at the same place at the same time. That's just asking for long lines and other issues.
I think it'd be much better to just drag voting out of the course of a month and actually encourage people to not show up on election day. Or to just vote by mail more, I haven't been a poll since I was a child (and back then we had levers!) but from what I hear now half the time you're just filling out a mail ballet in person now.