CHP spokeswoman Roxanne Anderson says that in nine out of 10 occasions, crossing the line is against the law because adjacent signs and striping on the pavement take precedent and make what otherwise might be a legal maneuver a no-no.
Once a motorist in a turning or exit lane passes a sign saying “exit only” or drives over a turn arrow, that motorist may not legally veer back into the other lane, Anderson said. Because such signs and arrows are present almost every time there’s a white line, the correct procedure is usually clear, …