Let's talk about the state of driving in the Bay Area, because it's somehow getting more chaotic despite bumper-to-bumper traffic that should, by the laws of physics, prevent anyone from going fast enough to endanger lives. And yet — here we are.

Two phenomena are colliding on our highways right now, and they're both symptoms of the same disease: nobody trusts anyone else on the road.

First, the zipper merge — a concept so simple a kindergartner could grasp it. Cars take turns. One from the left, one from the right. Repeat. It's the most efficient way to handle merging traffic, and it's especially useful on highway on-ramps during rush hour. As one Bay Area commuter put it, "Heavy-traffic freeway merging is the primary use scenario for zipper merging. That doesn't preclude people from being jerks, of course."

But instead of orderly cooperation, we get two breeds of road warrior: the guy who'd rather cause a fender bender than let a single car ahead of him, and the guy who forces his way in three car lengths before the merge point. As one local noted, it's always "both someone who tries to merge at the last minute and shoves their way in, and people who tailgate so hard they refuse to let anyone in." A beautiful dance of mutual destruction.

Then there's the more dangerous breed — the weekend lunatics weaving across lanes at 90 mph on the 101 like they're auditioning for a Fast & Furious reboot nobody asked for. One SF resident offered a generous theory: "Maybe he had diarrhea and was trying to get home without shitting his pants. That's the lie I always tell myself when I see someone driving dangerously."

Here's the thing: we can't regulate our way out of this. California already has some of the strictest traffic laws in the country, and CHP can barely keep up with enforcement across the Bay's sprawling highway system. What we can do is stop treating every merge like a personal insult and every commute like a zero-sum game.

Leave a car length. Let someone in. It costs you approximately four seconds. The Bay Area has enough problems without us trying to kill each other at 5 mph on the on-ramp to 101 South.