Letters to the Editor 19468 Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News October 5, 2004 at 12:43 pm This article mentions that the traffic volume was reduced following the attacks, yet fails to mention another likely factor in the increased deaths: Less traffic usually results in higher average speeds. Del DietrichSan Jose, Calif. Share this:EmailFacebookTwitterPinterestPocketRedditPrint