WASHINGTON—Expressing concern about distraction-affected vehicle crashes, the U.S. National Highway Traffic Safety Administration (NHTSA) said on Wednesday it is discussing with Tesla Inc the electric carmaker’s software update that lets users play video games on a touch screen mounted in front of the dashboard. Tesla added the games in an over-the-air software update sent to most of its vehicles this summer, the New York Times reported on Tuesday. “Distraction-affected crashes are a concern, particularly in vehicles equipped with an array of convenience technologies such as entertainment screens. We are aware of driver concerns and are discussing the feature with the manufacturer,” NHTSA said in a statement provided to Reuters by email. The agency said distracted driving accounts for a significant number of U.S. road deaths—3,142 in 2019 alone. Safety advocates have said official figures underestimate the problem because not all distracted drivers admit the issue after crashes. The Times said …