Re:Tempe Police Release Video of Uber Accident
by hnaccy on Thursday March 22, 2018 @02:06AM
(#16646158)
Your 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...
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.