An important detail, according to the driver he didn't force her out. The girl got out after he pulled over to argue about / inspect the vomit and assess the situation.
"Tran argued that he responded reasonably to a perceived sudden emergency caused by the passengers' prior excessive drinking, of which he said he was unaware, & that he could not anticipate that Normandin-Parker would leave his vehicle and wander into traffic."
"Tran argued that he responded reasonably to a perceived sudden emergency caused by the passengers' prior excessive drinking, of which he said he was unaware, & that he could not anticipate that Normandin-Parker would leave his vehicle and wander into traffic."