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More Typical Level Crossing Accident North of LA

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More Typical Level Crossing Accident North of LA 24/02/2015 at 18:52 #69540
Jersey_Mike
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It might look dramatic, but despite 4 double deck commuter cars derailing and falling on their sides, nobody was killed in a more "typical" US style level crossing accident.

http://www.nydailynews.com/news/national/southern-calif-train-derails-hitting-truck-tracks-article-1.2127210

The culprit was a tractor trailer, the driver of which fled the scene before being later apprehended by police. After a series of accidents Metrolink purchased a set of stainless steel coaches and driving van trailers that could perform better in an accident than their older aluminum bodied Bombardier "coffin car" split level coaches. It appears that one of the new DVT's was in the lead, but failed to adequately batter the obstruction off the tracks. Only the road vehicle caught fire and was reduced to a smoldering pile of metal.

If the NTSB chooses to investigate it will only be to evaluate the crash performance of the new rolling stock.

Last edited: 24/02/2015 at 18:54 by Jersey_Mike
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More Typical Level Crossing Accident North of LA 24/02/2015 at 20:10 #69547
Muzer
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Why not find out why there was a tractor trailer on the level crossing?
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More Typical Level Crossing Accident North of LA 24/02/2015 at 20:20 #69549
Jersey_Mike
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" said:
Why not find out why there was a tractor trailer on the level crossing?
I'm guessing because the crossing is right next to an intersection.

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More Typical Level Crossing Accident North of LA 24/02/2015 at 20:32 #69551
kaiwhara
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" said:
It might look dramatic, but despite 4 double deck commuter cars derailing and falling on their sides, nobody was killed in a more "typical" US style level crossing accident.

http://www.nydailynews.com/news/national/southern-calif-train-derails-hitting-truck-tracks-article-1.2127210

The culprit was a tractor trailer, the driver of which fled the scene before being later apprehended by police. After a series of accidents Metrolink purchased a set of stainless steel coaches and driving van trailers that could perform better in an accident than their older aluminum bodied Bombardier "coffin car" split level coaches. It appears that one of the new DVT's was in the lead, but failed to adequately batter the obstruction off the tracks. Only the road vehicle caught fire and was reduced to a smoldering pile of metal.

If the NTSB chooses to investigate it will only be to evaluate the crash performance of the new rolling stock.
Like your DVT's, or indeed New Zealand's SD class Driving Trailer (which is rebuilt from BR Mark 2 Stock anyway), they are designed to withstand collision safely. They are not designed to act as a battering ram with a Truck and Trailer unit that is probably of a similar weight. They would need to be significantly heavier to perform that function, which increases axle weights, or you would need to look at triple axle bogies. That's where the trade-off with cost starts to creep in.

Okay, the cars rolled, but by the looks of the imagery, they sustained fairly minor damage, and nobody was killed. They did what it said on the can in other words...

Sorry guys, I am in the business of making people wait!
Last edited: 24/02/2015 at 20:34 by kaiwhara
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More Typical Level Crossing Accident North of LA 24/02/2015 at 21:27 #69552
Steamer
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" said:
" said:
Why not find out why there was a tractor trailer on the level crossing?
I'm guessing because the crossing is right next to an intersection.
What if, next time something like this happens, someone does get killed?

"Don't stress/ relax/ let life roll off your backs./ Except for death and paying taxes/ everything in life.../ is only for now." (Avenue Q)
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More Typical Level Crossing Accident North of LA 24/02/2015 at 21:48 #69553
postal
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From the BBC News web-site.

"The National Transportation Safety Board (NTSB), the agency that leads transport investigations for the US government, said it was sending a "go-team" to the scene.

NTSB spokesman Robert Sumwalt said: "We are very concerned about grade [level] crossings and we intend to use this accident and others to learn from it, so that we can keep it from happening again."

He said investigators would be looking into whether the automatic "arms" that act as a barrier to traffic functioned properly, amongst other factors. They will look at data from sensors at the crossing and from the train.

He noted that over 2,000 level crossing accidents occur in the US each year, of those approximately 250 are fatal.

Mr Johnson said initial reports from the scene indicated the arms and lights were working."

“In life, there is always someone out there, who won’t like you, for whatever reason, don’t let the insecurities in their lives affect yours.” – Rashida Rowe
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More Typical Level Crossing Accident North of LA 25/02/2015 at 09:00 #69567
kbarber
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" said:
It might look dramatic, but despite 4 double deck commuter cars derailing and falling on their sides, nobody was killed in a more "typical" US style level crossing accident.

http://www.nydailynews.com/news/national/southern-calif-train-derails-hitting-truck-tracks-article-1.2127210

The culprit was a tractor trailer, the driver of which fled the scene before being later apprehended by police. After a series of accidents Metrolink purchased a set of stainless steel coaches and driving van trailers that could perform better in an accident than their older aluminum bodied Bombardier "coffin car" split level coaches. It appears that one of the new DVT's was in the lead, but failed to adequately batter the obstruction off the tracks. Only the road vehicle caught fire and was reduced to a smoldering pile of metal.

If the NTSB chooses to investigate it will only be to evaluate the crash performance of the new rolling stock.
No fatalities, to be sure, but 30 injured including four critical. I suspect those 30 might prefer the lorry had been kept out of the way rather than everything being down to the crashworthiness of their train.

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More Typical Level Crossing Accident North of LA 25/02/2015 at 09:06 #69568
kaiwhara
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Starting to clutch at straws here guys. Whether you like it or not, the fact that there were injuries only does play into the design and build of the trains itself. I have personally seen people killed in substandard rolling stock in crashes less dramatic than this. I don't want to go there again.
Sorry guys, I am in the business of making people wait!
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More Typical Level Crossing Accident North of LA 25/02/2015 at 10:10 #69572
Steamer
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" said:
Starting to clutch at straws here guys. Whether you like it or not, the fact that there were injuries only does play into the design and build of the trains itself. I have personally seen people killed in substandard rolling stock in crashes less dramatic than this. I don't want to go there again.
I think everyone's glad that there haven't been any fatalities, and obviously the rolling stock has done its job in protecting people. However, the fact remains that the train tipped over and it could well be pure luck that no-one was killed. Were the injuries life-changing?

I agree that the stock appears to have stood up well to the crash, but I still object to Mike's philosophy of "No-one was killed, let's clean up and forget about it". If a thorough report is done and finds that there's no practical way of reducing the risk further, then fair enough, but that conclusion should be come to after carrying out the investigation.

"Don't stress/ relax/ let life roll off your backs./ Except for death and paying taxes/ everything in life.../ is only for now." (Avenue Q)
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More Typical Level Crossing Accident North of LA 25/02/2015 at 10:56 #69575
LucasLCC
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" said:

No fatalities, to be sure, but 30 injured including four critical. I suspect those 30 might prefer the lorry had been kept out of the way rather than everything being down to the crashworthiness of their train.
And given only 51 passengers on the train, that's a pretty high number.

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More Typical Level Crossing Accident North of LA 25/02/2015 at 14:46 #69577
Jersey_Mike
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" said:

I think everyone's glad that there haven't been any fatalities, and obviously the rolling stock has done its job in protecting people. However, the fact remains that the train tipped over and it could well be pure luck that no-one was killed. Were the injuries life-changing?

I agree that the stock appears to have stood up well to the crash, but I still object to Mike's philosophy of "No-one was killed, let's clean up and forget about it". If a thorough report is done and finds that there's no practical way of reducing the risk further, then fair enough, but that conclusion should be come to after carrying out the investigation.
Aside from an analysis of how the rolling stock stood up to the crash, the governmental investigation might as well cut and past from any of the similar accidents that happen every year. The NTSB doesn't investigate things to the same extent as the RIAB because most incidents don't have an impact on national transportation policy. Previous reports have established what the risks and remedies in this type of accident are so unless it makes national headlines there is no real reason to send national investigators. Keep in mind the BBC article. If we had an RIAB style investigation for every level crossing accident in the United States, the NTSB would have to produce about 5 accident investigation reports per day not counting all other types of accident.

About 4 years ago there was a serious accident in Nevada where a dump truck rammed into the side of Amtrak's Train 6 at a level crossing killing several passengers and starting a fire. The majority of the report was dedicated to issues relating to driver fatigue and licensing with a smaller portion addressing some elements of crossing design. Someone at the NTSB makes a policy decision of what to focus on then the report is drafted for maximum impact in that area. All the minor contributing factors will get worked out by the railroads, local departments of transportation and various lawsuits.

Quote:
And given only 51 passengers on the train, that's a pretty high number.
One report said that 28 persons were released from the hospital the same day so assume a generous definition of "injured". What's really fun is where the railroad or whatever will see more damage claims than the numbers of passengers that were on the train.

" said:
Starting to clutch at straws here guys. Whether you like it or not, the fact that there were injuries only does play into the design and build of the trains itself. I have personally seen people killed in substandard rolling stock in crashes less dramatic than this. I don't want to go there again.
There's a video out there of some 1950's Soviet rolling stock literally bending in half during a low speed (~5mph) bumper post collision.

" said:
Like your DVT's, or indeed New Zealand's SD class Driving Trailer (which is rebuilt from BR Mark 2 Stock anyway), they are designed to withstand collision safely. They are not designed to act as a battering ram with a Truck and Trailer unit that is probably of a similar weight. They would need to be significantly heavier to perform that function, which increases axle weights, or you would need to look at triple axle bogies. That's where the trade-off with cost starts to creep in.

Okay, the cars rolled, but by the looks of the imagery, they sustained fairly minor damage, and nobody was killed. They did what it said on the can in other words...
Previously Metrolink used a more traditional type of cab car that could also function as a normal coach. After a number of fatal crashes Metrolink purchased new cab cars that are more akin to a DVT concept with a front crumble zone, reenforced structure and high set operating cab. With all the new structure and stainless steel construction you're damn right I expect the new cars to act more like a battering ram. Being able to obliterate obstructions (or shove them aside) is a far more preferable outcome from a crash physics standpoint than absorbing the energy. Like I said, how the new stock performed in the crash will probably get a lot of space in the accident report since it hasn't been covered yet in other reports.

Last edited: 25/02/2015 at 14:58 by Jersey_Mike
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More Typical Level Crossing Accident North of LA 25/02/2015 at 15:18 #69578
AndyG
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" said:
From the BBC News web-site.

"Mr Johnson said initial reports from the scene indicated the arms and lights were working."
Apparently the lorry driver has said he turned right too early (onto the railway) at the junction and abandoned the truck on the railway line - presumably before the barriers came down?

BBC News item

Quote:
The driver, Jose Alejandro Sanchez Ramirez from Yuma, Arizona, has been detained and hospitalised for observation.
He told police he wanted to turn right at a junction, but turned too soon and drove on to the railway tracks, said Oxnard Assistant Police Chief Jason Benitez.
The lorry was driven some way along the tracks before being abandoned and was facing the train head-on when it was hit.

I can only help one person a day. Today's not your day. Tomorrow doesn't look too good either.
Last edited: 25/02/2015 at 15:19 by AndyG
Reason: link added

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More Typical Level Crossing Accident North of LA 25/02/2015 at 15:50 #69579
Jersey_Mike
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:doh

This sort of thing happens with some frequency. Once drivers accidentally turn on to railway tracks they seem to get this strange urge to just keep going I guess on the hope that they will reach another crossing or something. This is why we can't have lightweight trainsets.

Oh, another report indicated that the vehicle was not of the heavy goods variety, but was a Ford F350 pickup truck, a bit smaller than this one. Metrolink is explicitly citing the new heavy cab cars as saving lives. In 2005 a person attempting suicide drove their SUV in front of a Metrolink train, derailing it into the path of an oncoming freight which all told took 11 lives.

Last edited: 25/02/2015 at 16:01 by Jersey_Mike
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More Typical Level Crossing Accident North of LA 25/02/2015 at 18:20 #69587
GeoffM
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Quote:
There have been six accidents at the crossing in the past seven years
:yikes

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More Typical Level Crossing Accident North of LA 25/02/2015 at 19:16 #69591
Jersey_Mike
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I found an info graphic.

http://www.trbimg.com/img-54ecb5e4/turbine/la-me-g-car-positions-metrolink-crash-in-oxnard-20150224/1000/1000x563

Go go Google Earth.

Last edited: 25/02/2015 at 19:20 by Jersey_Mike
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More Typical Level Crossing Accident North of LA 26/02/2015 at 12:40 #69621
LucasLCC
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Just having a look at some of the more recent pictures; Given they're double deck coaches, how much higher is the centre of gravity compared to UK stock? I wonder how much of a part that played to them tipping over..

One report said that 28 persons were released from the hospital the same day so assume a generous definition of "injured". What's really fun is where the railroad or whatever will see more damage claims than the numbers of passengers that were on the train.

The reports I've been reading all seem to state that 28 have been admitted to hospital, including four critical.

I'm quite surprised that given six other incidents in seven years that there hasn't been a serious safety review, because it seems rather predictable that it's going to happen again at some point..

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More Typical Level Crossing Accident North of LA 26/02/2015 at 12:50 #69622
TimTamToe
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" said:


I'm quite surprised that given six other incidents in seven years that there hasn't been a serious safety review, because it seems rather predictable that it's going to happen again at some point..
Most places yes but it is America and from the posts in the last few weeks we've seen it appears to be a shrug shoulders move on culture when it comes to accidents and safety.

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More Typical Level Crossing Accident North of LA 26/02/2015 at 15:04 #69627
Jersey_Mike
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" said:


I'm quite surprised that given six other incidents in seven years that there hasn't been a serious safety review, because it seems rather predictable that it's going to happen again at some point..
That's just the one crossing. The next crossing over, which is of the almost exact same configuration, saw this crowd pleaser in 2005.

http://www.youtube.com/watch?v=wI-MySKKqEA

You don't need a safety review to know that these crossings are dangerous, there is just very limited resources and political will to actually fix the problem.


" said:

Most places yes but it is America and from the posts in the last few weeks we've seen it appears to be a shrug shoulders move on culture when it comes to accidents and safety.
When the cause of the accidents are usually "driver error" and only the vehicle occupants are hurt, you will be hard pressed to find much public support to spend money on the issue. Moreover many of the fixes, like ticketing drivers, interlocking traffic signals with the crossing gates or even closing the dangerous crossings, will anger the road users who see it as another government imposed inconvenience.

It's funny because I was going to launch into some sort of cost benefit argument, but just looking at the crossings its clear that not even the low cost fixes have been applied. These include setting the light back before the crossing, dynamic no turn signs and brightly painted "no standing" boxes over the crossing.

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More Typical Level Crossing Accident North of LA 26/02/2015 at 15:15 #69628
Muzer
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I would suggest that what you really want for these particular examples is signaller-monitored interlocked full barrier crossings, or some object detection equivalent. Are those a thing in America?
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More Typical Level Crossing Accident North of LA 26/02/2015 at 16:50 #69629
Jersey_Mike
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" said:
I would suggest that what you really want for these particular examples is signaller-monitored interlocked full barrier crossings, or some object detection equivalent. Are those a thing in America?
For human monitored gates you would have to invest in a good deal more dispatchers who would then spend most of their time managing crossing gates. A more pressing problem for all types of monitoring is that the gates would have to be down on the order of minutes to prevent the train from getting a time hit thanks to a Y or *Y* signal. Currently gates deploy about 20 seconds before the train arrives. An article I read on the topic said that American drivers refuse to wait any longer and when forced to do so will not only complain, but will start driving around the crossings or making U turns to fine another way around.

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More Typical Level Crossing Accident North of LA 26/02/2015 at 17:11 #69630
GeoffM
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" said:
You don't need a safety review to know that these crossings are dangerous, there is just very limited resources and political will to actually fix the problem.
Not to know it IS dangerous but to learn WHY it's dangerous. Are there human factors at play here which could be improved?


" said:
When the cause of the accidents are usually "driver error" and only the vehicle occupants are hurt, you will be hard pressed to find much public support to spend money on the issue. Moreover many of the fixes, like ticketing drivers, interlocking traffic signals with the crossing gates or even closing the dangerous crossings, will anger the road users who see it as another government imposed inconvenience.

It's funny because I was going to launch into some sort of cost benefit argument, but just looking at the crossings its clear that not even the low cost fixes have been applied. These include setting the light back before the crossing, dynamic no turn signs and brightly painted "no standing" boxes over the crossing.
Indeed, I agree the best solution (close the crossing) isn't terribly practical - though there are areas where exactly this has been done. I used to live near the LA Sub where originally there were grade crossings at least every few blocks. Now it's down to maybe half a dozen in a 10 mile stretch, pretty much just those where a bridge over or under is impractical. Crossings are expensive to signal and to maintain, not to mention complex with frequent crossings where the strike-in for one crossing overlaps 1-2 more crossings - lots of your favourite track circuits! So closing them does actually save money over time - a long time.

SimSig Boss
Last edited: 26/02/2015 at 17:12 by GeoffM
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More Typical Level Crossing Accident North of LA 26/02/2015 at 18:04 #69635
Jersey_Mike
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" said:

Indeed, I agree the best solution (close the crossing) isn't terribly practical - though there are areas where exactly this has been done. I used to live near the LA Sub where originally there were grade crossings at least every few blocks. Now it's down to maybe half a dozen in a 10 mile stretch, pretty much just those where a bridge over or under is impractical. Crossings are expensive to signal and to maintain, not to mention complex with frequent crossings where the strike-in for one crossing overlaps 1-2 more crossings - lots of your favourite track circuits! So closing them does actually save money over time - a long time.
The problem is that replacing a crossing can cost upwards of $30 million dollars each. Amtrak got $90 million in stimulus money to replace three crossings on the Harrisburg Line as part of a 110mph project. The problem is that all three are in Amish country where most of the traffic is horse drawn buggies. The news media kept reporting the project like those three crossings were holding down speeds on the entire 50 or so mile section of track when each only required a speed restriction to 90 or 100 from 110.

At the end of the day crossings aren't that expensive to maintain. If they were the entire shortline business wouldn't work.

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More Typical Level Crossing Accident North of LA 26/02/2015 at 18:20 #69636
GeoffM
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" said:
The problem is that replacing a crossing can cost upwards of $30 million dollars each.
That depends on the method of replacement. Don't forget that not all crossings are replaced. The example I gave earlier of the LA Sub had mostly closed crossing, only replacing maybe 1 in 6 with an alternative (ie bridge over or under). Of course it's beneficial to the neighbourhood because roads aren't blocked for chunks of every hour.

" said:
At the end of the day crossings aren't that expensive to maintain. If they were the entire shortline business wouldn't work.
Shortlines are less likely to have active warning devices though so that's not much of an argument! BNSF spend around $45m per year on crossing maintenance, with maintenance per crossing about 10% of the installation cost of that crossing per year.

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