Tag Archives: Tesla

Will NHTSA & NTSB Address Side Underride Factor In Latest Tesla Crash Investigation?

Safety Advocacy, Truck Safety, , ,

I have again requested that NHTSA and NTSB address the side underride factor in their investigation of yet another Tesla side underride crash.

The U.S. auto safety agency said on Monday it is investigating a crash in Detroit on Thursday involving a Tesla that became wedged underneath a tractor-trailer and left a passenger in critical condition. U.S. safety agency probes ‘violent’ Tesla crash in Detroit

After the investigation of Joshua Brown’s widely-publicized side underride death in May 2016, I asked NHTSA to provide me with their Fatality Analysis Reporting System (FARS) report on his crash. What I discovered was that his crash was coded as “No Underride or Override Noted.” Joshua Brown/Tesla Side Underride Crash Coded as “No Underride” in FARS Data

It has been confirmed by the GAO that underride deaths are undercounted. We all know that ghastly underride deaths happen way too often. Will we seriously allow the lack of an accurate count to stop us from using proven engineering solutions to make sure that there are no more senseless Deaths By Underride?!

Joshua Brown/Tesla Side Underride Crash Coded as “No Underride” in FARS Data

Safety Advocacy, Truck Safety, , , , , ,

Tell me again why we are letting the flawed data on underride deaths determine the Cost Benefit Analysis — and thus the decision on underride regulations. We already knew the FARS data was underreported; we just discovered additional disturbing evidence of that fact.

At the end of August, I obtained the FARS field dump data for the Joshua Brown Tesla deadly crash in Florida when his car went completely under the side of a tractor trailer and out the other side on May 7, 2016. In the field which has to be filled out related to underride, it is listed as “No Underride or Override Noted.”

What?! Imagine that! A clear-cut, well-known side underride crash — investigated by the NTSB — and NHTSA got it wrong. In 2016.

You can see it for yourself in this pdf, p. 10:

FLORIDA_2016_FARS_CASE_120918 (1)

And that’s not the only one I received. I also requested the FARS data on Roya Sadigh’s crash (daughter of Lois Durso) on November 24, 2004 — one that we know is a side underride with clear evidence of Passenger Compartment Intrusion (PCI). Again, “No Underride/Override.” See p.3:

INDIANA_2004_FARS_CASE_180748 (1)

We had already received FARS data on our own crash on May 4, 2013. It says “Passenger Compartment Intrusion Unknown.” And the Georgia FARS report for 2013 at the Rear of trailers lists one underride — despite two daughters having died under the truck.

In response to a request for explanation of a recent withdrawal of the underride rulemaking for Single Unit Trucks, Senator Gillibrand received a letter from NHTSA in August explaining that they had used TIFA (trucks in fatal accidents) data rather than FARS data. However, upon closer examination one will discover that the TIFA data is based upon the FARS data. How reliable is that?

Scene of crash testing of Aaron Kiefer’s SafetySkirt. How silly is it to ignore solutions to prevent side underride tragedies?!

UPDATE, February 11, 2023: The Joshua Brown crash has been updated in the FARS data to indicate that it was an Underride with Passenger Compartment Intrusion.

NTSB Published a Preliminary Report on the March 2019 Tesla Side Underride Fatal Crash

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The National Transportation Safety Board, on May 16, 2019, released a Preliminary Report on the March 1, 2019, Tesla side underride fatal crash. Read it here: Highway Preliminary Report: HWY19FH008

In summary, the report says:

The National Transportation Safety Board (NTSB) continues to gather information on the operation of the Tesla’s ADAS and the Tesla driver’s actions leading up to the crash. The investigation will also examine the driver of the combination vehicle, the motor carrier, highway factors, and survival factors. All aspects of the crash remain under investigation as the NTSB determines the probable cause, with the intent of issuing safety recommendations to prevent similar crashes. The NTSB is working in partnership with the Palm Beach County Sheriff’s Office during the investigation.

Previous posts on this website related to Tesla side underride crashes:

D.C. Side Underride Crash Tests, March 26, 2019 — with and without side guards:

More D.C. crash test videos can be seen here.

The STOP Underrides! Act mandates comprehensive underride protection on all large trucks. This will make truck crashes more survivable.

As a mom of two daughters, AnnaLeah (17) and Mary (13), who died from a truck underride crash in Georgia on May 4, 2013,  I know the life & death difference that strong underride guards can make (but only if they are installed on the millions of trucks on our roads) — as demonstrated by these crash test videos: The difference a well-designed rear underride guard can make and Benefits of side underride guards for semitrailers and Truck Front Underrun Protection System Crash.

People have died from truck underride for decades and will continue to do so if we do not take decisive action to make trucks safer to be around.

@NTSB & @NHTSAgov didn’t call for side guards after 2016 Tesla underride fatality; will they after a 2nd?

Safety Advocacy, Truck Safety, , , , ,

NHTSA investigated the May 2016 side underride crash of Joshua Brown’s Tesla. Here is the report which they published in January 2018.

Special Crash Investigations:
On-Site Automated Driver Assistance
System Crash Investigation of the
2015 Tesla Model S 70D 812481

Read this description of the injuries which the driver suffered as a result of Passenger Compartment Intrusion (PCI) from truck underride:

The front plane of the Tesla underrode the mid-aspect of the semi-trailer in the intersection, and the first crash event occurred as the base of the windshield and both A-pillars of the Tesla impacted and engaged the sill/frame of the semi-trailer’s right plane/undercarriage. Directions of force were in the 12 o’clock sector for the Tesla and the 3 o’clock sector for the UTI semitrailer. The Tesla maintained its momentum and completely underrode the semi-trailer, which sheared the entire greenhouse and roof structure from the Tesla.

During the underride impact, the driver’s face and head contacted multiple intruding components. These contacts produced fatal injuries to the driver. Intruding components and the semi-trailer also contacted and deformed both front row seatbacks and all of the Tesla’s structural pillars. The sheared roof and tailgate/hatch of the Tesla were captured by the right plane of the semi-trailer as the vehicle continued beneath it, and became deposited in the roadway at the location of the impact.

Please explain to me why NHTSA did not suggest that side guards might have changed the outcome of the crash and, furthermore, took no action to initiate rulemaking to mandate side underride protection.

NTSB also investigated the May 2016 Tesla crash and made no side guard recommendations.

Another Tesla Side Underride Tragedy Points to Need for Truck Side Guard Mandate

Congress, Act Now To End Deadly Truck Underride!

Another Tesla Side Underride Tragedy Points to Need for Truck Side Guard Mandate

Safety Advocacy, Truck Safety, , , , , , , , , , , , , ,

Late yesterday afternoon, I heard the news that another man has lost his life when his Tesla went under the side of a tractor trailer in Florida. No matter how it actually came about, doesn’t it seem tragic that we didn’t learn our lesson from Joshua Brown’s tragic death going under the side of a tractor trailer in a Tesla in May 2016?

Earlier today, a Tesla Model 3 owner died in a tragic accident with a semi truck. The Model 3 went under the truck’s trailer resulting “in the roof being sheared off as it passed underneath,” which is known as a “side underride” accident. Tesla Model 3 driver again dies in crash with trailer, Autopilot not yet ruled out

NTSB is sending a team to investigate this crash

Earlier this week, I wrote about the disturbing documentation that current Automatic Emergency Braking (AEB) technology on passenger vehicles is not reliably detecting large trucks: “AEB that reliably detects trucks could prevent underride crashes.” Meanwhile, what should we do? Yet, many of the voices opposing the STOP Underrides! Bill point to Collision Avoidance technology as the better route to prevent underride crashes.

Clearly, collision avoidance technology is not ready to prevent truck underride tragedies at this point in time. In contrast, comprehensive underride protection technology is ready to go — awaiting a mandate to get the ball rolling to save lives.

Here are two practical, viable solutions offered by engineers to prevent the gruesome, deadly passenger compartment intrusion (PCI) which occurs with side underride:

Download this video file to view a recent crash test by Aaron Kiefer into the side of a trailer equipped with the latest version of his SafetySkirt: Video Feb 24, 2 24 45 PM

AngelWing side guard successfully tested at the IIHS at 35 and 40 mph in 2017:

We cannot wait for the trucking industry to handle it themselves and the automotive industry is not prepared to prevent collision with large vehicles. Congress should feel proud to be the ones to make sure that this happens. Unless they want people to die!

STOP Underrides! Petition

D. C. Underride Crash Test, March 26, 2019

From the May 2016, Joshua Brown Tesla side underride crash: Witnesses reveal new details behind deadly Tesla accident in Florida

The police report indicated that Brown’s Model S collided with a tractor trailer that was perpendicular to it and continued to travel underneath it after having its windshield and roof sheared off. Because the vehicle was in Autopilot at the time, the vehicle continued to travel before veering off the road, careening through two fences, and finally coming to a rest after striking a utility pole approximately 100 feet south of the road.

Tesla released a statement on their blog:

“What we know is that the vehicle was on a divided highway with Autopilot engaged when a tractor trailer drove across the highway perpendicular to the Model S. Neither Autopilot nor the driver noticed the white side of the tractor trailer against a brightly lit sky, so the brake was not applied. The high ride height of the trailer combined with its positioning across the road and the extremely rare circumstances of the impact caused the Model S to pass under the trailer, with the bottom of the trailer impacting the windshield of the Model S.”

By the way, these are not “extremely rare circumstances.” Hundreds of vehicles collide with the sides of large trucks every year. Furthermore, both of these crashes clearly involved side underride. Why is this not being acknowledged and addressed?