Enginerd
Member
Is there an easy way to know if this X had front collision warning (FCW) & automatic emergency braking (AEB)?
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Model X in fatal wrong way driver crash today in Phoenix?
- Thread starter azred
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- Driving Dynamics Model X
In Japan we have much higher number of older drivers so we see about one lane reversal insident every two days. There are some standard systems implemented but they doesn't seem to be effective enough...
安全を守る取り組み -逆走防止対策｜NEXCO西日本
安全を守る取り組み -逆走防止対策｜NEXCO西日本
I encountered one of those type exchanges for the first time while in a rental car in Colorado. I will say that I was glad someone was ahead of me in the turn lane to enter the freeway because I had zero clue as to how it was supposed to work. I was sitting there at the red trying to figure out why we were making a left into oncoming traffic and how this was supposed to work when the light turned and the guy in front cut the diagonal across the intersection to enter the on ramp.
If I had been there at night with zero traffic my chances at navigating the intersection correctly were slim to none. Now, I would have seen the do not enter signs, and turned around, but still.
tinm
2020 Model S LR+ Owner
One night last year I was just going to bed at around 11:20pm. Got in bed, listening to the quiet sounds outside. Suddenly a BOOM, a sound like an explosion, including a brief shock wave that hit the windows and rattled them for a moment. I could feel the air of the shock wave in the room. I looked out the window but did not see anything. But about three minutes later I heard all the fire and rescue sirens. And sirens. And more sirens. That went on for at least an hour. All very close.
The next morning I checked the news. A completely blitzed, way-past-intoxicated driver was driving the wrong way on Interstate 25 less than a quarter mile from our house. She drove straight into a young guy's pickup truck. They were both going at least 75 mph. Both cars burst into fireballs. She died instantly, the guy she hit was alive when rescue workers arrived, but they could not pull him out of his burning vehicle. He was a 23-year-old college student who'd just finished a long shift at his job and was going home. It was a terrible tragedy.
Whenever I hear about these wrong-way-driver incidents I shudder.
The next morning I checked the news. A completely blitzed, way-past-intoxicated driver was driving the wrong way on Interstate 25 less than a quarter mile from our house. She drove straight into a young guy's pickup truck. They were both going at least 75 mph. Both cars burst into fireballs. She died instantly, the guy she hit was alive when rescue workers arrived, but they could not pull him out of his burning vehicle. He was a 23-year-old college student who'd just finished a long shift at his job and was going home. It was a terrible tragedy.
Whenever I hear about these wrong-way-driver incidents I shudder.
That would be the time for a constant speed of 75 mph. If the crumple zone decelerates you at constant Gs, constant force to fold the sheet metal, your average speed will be half your initial speed, so the time would be doubled to cover the 6 feet, or 0.109 secs. That would be about 31 Gs, by the way. Survivable.
If it had taken half as long to come to rest, the G's would have been quadrupled and unsurvivable.
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I wonder why the sign(s) are not closer to the entrance, or multiple would be even better. After seeing all these pictures, this is a horrible road design for safety. Put a bunch of drivers who never drove on this road, add a bit of rain or fog, and you have a really bad outcome.
My wife pointed out to me that perhaps the wrong way driver actually turned right as in crossed the bridge and entered the wrong way as if he was driving a cloverleaf. I never thought of that, but it seems plausible, especially if he was unfamiliar with the area, although I don't think there are any cloverleaf exits in the Phoenix area anymore anyway. Just still very sad about this, I knew neither of the involved, but I still feel sick looking at the pictures of the accident. My hats off to 1st responders that deal with stuff like this. I'd never be the same if I came up on that.
Drocer
Member
Brando
Active Member
what a horrible intersection design
List of countries by traffic-related death rate - Wikipedia
change sort by column - note countries with lower death rates
List of countries by traffic-related death rate - Wikipedia
change sort by column - note countries with lower death rates
Definitely sad, but this image makes me so glad my family is riding around in a Model X
X Fan
Active Member
hill
high fiber member
later stories reveal that there were several near misses and folks calling in prior to the Collision. If logic has any rule here, your average sober moron immediately stops once the mistake has been made, doesn't just keep rolling on down the road. bottom line is you can reconfigure a road as difficult as possible & put up as many flashing expensive red signs as possible. that is, if that's how the State of Arizona wants to spend taxpayer dollars. I'd be delighted to see any other state or country that goes to such crazy lengths.
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Inebriation is statistically a big factor in many wrong way crashes. I didn't want to assume anything about that driver, but I can see that the road markings look confusing to me.
It wouldn't surprise me to learn that "high" + confusing signs were both contributors to this tragedy.
It wouldn't surprise me to learn that "high" + confusing signs were both contributors to this tragedy.
UPDATE on this terrible accident -
Earlier today I talked with a crew of police & firemen who had responded to this horror. I learned that the testimony they took from the scarcely-injured Model X driver included the following extremely interesting material (I need to paraphrase here):
"I saw nothing. All of a sudden my X slammed on its brakes as it sounded an alarm, and then the crash."
===>In other words, to answer prior questions, that vehicle did indeed have AEB and it certainly worked - having perceived the impending crash prior to the driver being aware of same. From that, I think we safely can deduce that a head-on that otherwise would have occurred at a combined speed of X miles per hour was reduced to X-Y mph by dint of the Model X's control system.<===
On top of the above, the entire responder crew was eager to share with me their amazement and disbelief at how undamaged the Model X cabin was. When I showed them the frunk of our Model X and described its role as an unsurpassed crumple zone, they understood more fully how this could have been the case.
Earlier today I talked with a crew of police & firemen who had responded to this horror. I learned that the testimony they took from the scarcely-injured Model X driver included the following extremely interesting material (I need to paraphrase here):
"I saw nothing. All of a sudden my X slammed on its brakes as it sounded an alarm, and then the crash."
===>In other words, to answer prior questions, that vehicle did indeed have AEB and it certainly worked - having perceived the impending crash prior to the driver being aware of same. From that, I think we safely can deduce that a head-on that otherwise would have occurred at a combined speed of X miles per hour was reduced to X-Y mph by dint of the Model X's control system.<===
On top of the above, the entire responder crew was eager to share with me their amazement and disbelief at how undamaged the Model X cabin was. When I showed them the frunk of our Model X and described its role as an unsurpassed crumple zone, they understood more fully how this could have been the case.
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I assume that means the wrong way driver didn't have their lights on. This is part of why I think DRLs/automatic headlights should be mandatory.
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