Why Left Turns Are the Most Dangerous Maneuver By Schmidt, Sethi & Akmajian January 10, 2022 Email this postTweet this postLike this postShare this post on LinkedIn Left turns are so dangerous that many companies in the business of driving avoid them all together. UPS has famously had a “No Left Turn” policy for over a decade. And there is even growing commentary that left turns should be abolished.