3 ms·
https://en.wikipedia.org/wiki/Stopping_sight_distance https://en.wikipedia.org/wiki/Stopping_sight_distance They seem to use 2.5 seconds as the standard for dr
by sbov 9y ago
https://en.wikipedia.org/wiki/Stopping_sight_distance https://en.wikipedia.org/wiki/Stopping_sight_distance
They seem to use 2.5 seconds as the standard for drivers to perceive and react to an obstacle, which based upon studies covers 90% of all drivers. 1.5 seconds to perceive, 1 second to react. Then you have maneuver time on top of that 2.5 seconds.
Given this, 1 second seems very low. A large percentage of drivers would probably plow into them at full speed.
- hnaccy 9y agoYour link says that 2.5 is to allow for worst case situation and below average drivers. If all but the slowest 10% can react in 2.5 seconds than I would think many would do a fair bit better. Edit: Apparently the average person is closer to 1.1 seconds. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.372.2748&rep=rep1&type=pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.372...