Practice question

What is the minimum following distance in adverse weather conditions?

  1. 2 seconds
  2. 4 seconds
  3. 6 seconds
  4. 1 second

Answer: B — 4 seconds

In adverse weather conditions, such as rain, snow, or fog, the minimum following distance should be increased to four seconds. This extended distance allows for more time to react to sudden changes in traffic situations, providing greater safety for you and other road users. When conditions are poor, stopping distances can increase significantly due to reduced traction on slippery roads. Following the four-second rule gives a driver the necessary time to respond to unexpected events, such as vehicles ahead braking suddenly, which is crucial in ensuring avoiding accidents during adverse weather. It is important to adjust your following distance based on the conditions you are driving in, as this practice helps to maintain safe driving environments. The minimum following distances of two seconds or less are generally suitable for ideal conditions but may not provide enough room for error in adverse weather.

Practice more: Alberta Written Drivers Learners Test Practice →