The distances above are based on a reaction time of 0.67 seconds, which assumes the driver is alert, concentrating and not impaired. Driving when tired, distracted or impaired significantly increases reaction times, so the thinking distances above should be regarded as minimums.
Vice-President Aaron Burr killed his political rival Alexander Hamilton in a duel in Weehawken, NJ, resulting from a published letter that implied Hamilton had made derogatoryâ¦ comments about Burr's character.
The man accused of assassinating the US President, John F Kennedy, has himself been shot dead in a Dallas police station. Lee Harvey Oswald, a 24-year-old former Marine, was being transferred from police headquarters to the county jail, at the centre of a large crowd of police officers, reporters and camera crews.