Exemplar Arizona Milk Transport, Inc. truck-tractor and United Dairymen of Arizona tank trailer.

​​​Exemplar Arizona Milk Transport, Inc. truck-tractor and United Dairymen of Arizona tank trailer.

Board Meeting : 2021 Fatal Multivehicle Collision in Phoenix, AZ

​The National Transportation Safety Board held a virtual public board meeting March 28 to determine the probable cause of a fatal multivehicle collision involving a milk tank combination vehicle near Phoenix, Arizona.

​​On June 9, 2021, a truck-tractor in combination with a tank-trailer hauling milk crashed into a line of passenger vehicles that were stopped due to a road closure that ended a few minutes earlier. As a result of the crash, four passenger vehicle occupants died and 11 occupants were injured. 

During the meeting, the NTSB’s board voted on the findings, probable cause, and recommendations as well as any changes to the draft final report. 

Members of the public and the media can view the webcast of the meeting at http://ntsb.windrosemedia.com

Additional information has been added to the public docket for the investigation. The docket includes more than 1,800 pages of factual information, including reports, interview transcripts, and other investigative materials.

WHAT: A virtual NTSB board meeting on the June 9, 2021 fatal multivehicle collision near Phoenix, Arizona

WHO: NTSB investigative staff and board members

WHEN: Tuesday, March 28 at 9:30 a.m. Eastern time

HOW: A link to the webcast will be available shortly before the start of the meeting at http://ntsb.windrosemedia.com 

​​​Register in advance​​ (optional) to receive a calendar update about the Board meeting​.

Watch the NTSB Board Meeting on NTSB YouTube Channel

NTSB Chair Jennifer Homendy will take questions from reporters during a media availability scheduled to start 30 minutes after the board meeting ends. Journalists wishing to participate should send an email to [email protected]. A link with instructions will be emailed.