lynch has a habit of using other-abled people to unnerve you, its never malicious in tone but its point is the opposite, his major theme is using "unusual" pictures and showing you the good in them while questioning the "normality" of the tropes we have in our fantasies.
Technically it doesn’t crash BUT there is a long and disturbing traffic scene with Laura, Leland and Mike, and if a car crash bothers you the noise and verbal violence of this scene might