The inquest into a crash on the M5 crash in which seven people died will hear how each of the 34 vehicles involved was damaged and where they ended up on the carriageway.
The second day of the inquest will be spent hearing evidence from the police crash investigator.
Peter Davey and his team spent the weekend at the scene after the accident on Friday 4 November 2011.
An explosives expert tells an inquest he has been unable to find any literature warning of the dangers of smoke from fireworks to drivers.
Drivers have told an inquest of their horror at being involved in one of the worst British motorway pile-ups in living memory.
Witnesses have been describing the driving conditions at the inquest into the deaths of seven people who died after a pile-up on the M5.