Newbie mistake

For months I have been wondering why my paychecks have been smaller than they should be. Admittedly I had been taking quite a bit if leave so I just shrugged it off. Earlier this week I had received an email from NFC informing me that I'm set to hit the maximum contribution of $19000 before the year is up. Well it turns out that I've been contributing $750 to traditional and $750 to Roth every pay period simultaneously. So I've been making double the max contribution for the past seven pay periods.

I currently have about $250k in traditional 80%C and 20%S and $5.5k in Roth same allocations. My questions are:

Seeing as how there are ten more pay periods and I need to tune down my contributions to $166 every pay period should I contribute it to my traditional or Roth?

Should I keep investing in both accounts (traditional and Roth) or just stick to one? I have about 13 more working years before I'm eligible to retire or 20 years before I'm mandatory.

Lastly any tips on my allocations?

Thanks for the help

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No one here will tell you what to do.
I would think if you can afford financially to max out both your traditional and your Roth that is a good thing once you hit retirement. Allocations is a personal comfort zone. Whatever you are comfortable with and what you think will better your investment.
This is a great place to learn and there are some very smart people that contribute to this forum. Good luck. You seem to be doing pretty good so far.