3 seconds
When following large vehicles that block your view of the road ahead, it's recommended to give yourself at least a 4-second cushion of space in front of your vehicle. This extra distance allows you more time to react to any sudden stops or obstacles that may arise. Additionally, it helps ensure that you have a clear sightline when the large vehicle turns or changes position.
Measuring safe cushion of space in seconds factors in both the speed of vehicles and reaction times of drivers, allowing for a standardized and more universal approach to determining safe following distances. This takes into consideration varying driving conditions and speeds, helping to ensure a safe distance between vehicles regardless of the specific situation.
Increase to four seconds.
When merging onto a freeway, you should aim for a space cushion of at least 4-6 seconds between your vehicle and the vehicles you are merging between. This distance provides adequate time to assess gaps in traffic and adjust your speed safely. Additionally, it allows for a buffer in case of sudden stops or changes in traffic conditions. Always prioritize safety by ensuring you have enough room to merge smoothly.
At minimum 3 seconds. If the road conditions are adverse, it should be 5 seconds or more.
10 to 12 seconds
It depends on the conditions but 2 - 3 seconds at least
9
Three seconds might be an inadequate following distance in situations requiring sudden stops, such as in heavy traffic, adverse weather conditions, or when driving behind larger vehicles that obstruct visibility. Additionally, at high speeds or on slippery roads, a longer following distance is often necessary to ensure sufficient reaction time. In these scenarios, extending the following distance to four seconds or more can enhance safety and reduce the risk of collisions.
2 average car lengths in the standard. The more the merrier. 1 second for every 10 mph. in bad weather 2 seconds
When driving behind large vehicles like trailers and industrial trucks, it's important to maintain a following distance of at least four to six seconds. This extra space allows for better visibility around the vehicle and gives you ample time to react to sudden stops or obstacles. Additionally, larger vehicles may have longer stopping distances, so keeping a safe distance is crucial for your safety. Always adjust your following distance based on road conditions and traffic.