Moment drivers cause horror motorway smash after veering in & out of lanes – & no one can work out who’s to blame

DRIVERS have wreaked havoc on a motorway after veering dramatically across lanes in a ‘contactless’ crash.

Heart-in-mouth footage shows the bizarre interaction between the black and white vehicles, which ended with chunks of debris flying across the interstate.

Instagram / @diabolicaldrivesBoth cars indicated to join the same lane before the drivers appeared to panic and veer out of control[/caption] Instagram / @diabolicaldrivesThe black car veered back off to the right as...