Free advice: Don’t drive if you don’t have to.

That’s a good idea on pretty much any day in Denver if you want to spare your sanity and the ozone layer, but it’s especially important tonight. The Broncos and Rockies home games start less than an hour apart — at 7 p.m. and 6:10 p.m., respectively — and it’s going to create a traffic nightmare.

Here’s what it looked like at 1:45 p.m.

Not so bad yet. But here’s our expert prediction for later this afternoon.

If you’re going to one of the games, consider leaving yesterday.

If you have to be on I-25 for some other reason, consider packing a bag for your overnight stay in your car.

If you want to drive downtown for dinner, consider maybe not doing that. Where will you even park? Nowhere, that’s where.

Anyway, here are the RTD schedules. And if you must drive, buckle up and be careful.