What happened with VOSA here

[saaby93]

What signal did the van give to the truck that he should follow?
https://www.youtube.com/watch?v=B9WYO80Igdo
Would most drivers have gone straight on while the van slipped off left?

[saaby93]

Saw the flasing lights but no other sign. what time?

[saaby93]

Nickyboy said:

When the flashing lights come on the matrix sign on the lightbar does at the same time, around 1:30

What screen have you got you can read that