David - same here in Connecticut. Weaving over the center line and shoulder, no signals, random slowing and stopping regardless of other traffic, no rules of the road, yakking on cell phones, etc.
Solution: keep the whacko drivers on lock down permanently.
Thousands of years ago, when my dad was teaching me to drive, he said "Whenever you get behind the wheel, remember that half the drivers on the road are drunk ... and all the rest are completely out of their mind."
Amen.