Tangent: I've often wondered about using some type of (one-way?) curtain or partition to block the view of a cleared accident on the freeway. It seems to me mu

Tangent: I've often wondered about using some type of (one-way?) curtain or partition to block the view of a cleared accident on the freeway. It seems to me much of the time lost when an accident occurs is during the aftermath when onlookers slow down to get a better look.