Standard US highway lanes are 12 ft wide, but some trucks are nearly 9 feet wide with mirrors. That only leaves 36 inches between trucks, assuming they are exactly in the center of their lane.
tailoredtrucks.com
Question for those that live in states that allow filtering or splitting or whatever it’s called: How often are vehicles damaged by wide motorcycle handlebars?

How Wide And Long Are Pickup Trucks? (Top 10 Truck Dimensions)
Pickup trucks range from 17' 5.1'-21' 0.2" long, 6' 1" - 6' 10.1" wide and 6' 0.4" - 6' 9.8" high.

Question for those that live in states that allow filtering or splitting or whatever it’s called: How often are vehicles damaged by wide motorcycle handlebars?