In 2004, women's life expectancy exceeded men's life expectancy by 5.2 years, the smallest gender gap in life expectancy since 1946. Life expectancy for whites was five years greater than that of blacks. Life expectancy for black and white men and women was as follows: 1  Black male: 69.8 years.  White male: 75.7 years.
But, that's not always the case. Safe following distances vary according to traffic speed and weather conditions and according to the type of vehicle you're driving. In good conditions, you should allow 2 seconds between your car and the vehicle in front of you. Here's an easy way to work that out.
After you pass someone, move into the right lane once you've safely cleared the vehicle. Impeding the flow of traffic by continuing to drive in the left lane is punishable by a fine of up to $200. Sharing the Road with Trucks. Trucks can weigh up to 80,000 pounds and may need up to 100 yards to stop. Here are some tips to help keep you safe when you drive near trucks: Maintain a safe following distance. When the vehicle in front of you passes a fixed object, you should be able to count at least two seconds before you pass the same object.