Multiple choice general knowledge science & technology NTSB stands for: National Travel Safety Board National Transportation Safety Board National Transport Safety Board National Technical Safety Board Reveal answer Fill a bubble to check yourself B Correct answer Explanation NTSB is the National Transportation Safety Board, a U.S. government agency responsible for investigating civil transportation accidents. The key distractors use 'Travel' instead of 'Transportation' and omit the second 'ation' in Transportation.