Yes, and even after 9/11 there is clear data showing that people stopped flying en masse and took the wheel instead, resulting in increased overall death count.

https://www.theguardian.com/world/2011/sep/05/september-11-r...

> However, Professor Gerd Gigerenzer, a German academic specialising in risk, has estimated that an extra 1,595 Americans died in car accidents in the year after the attacks – indirect victims of the tragedy.