Id say yes.

It may not be her intention but going into the middle of the highway is a dangerous act likely to cause an accident. The penal code has an example about throwing things off a roof causing a death even if there was no intent to kill, which seems applicable here.

If it was a monkey, itd be the monkey's fault and we can blame me all we want. Just that we can sue a monkey or throw it into prison.

Whether someone is committing a legal or illegal activity doesnt void someone else's wrongdoing.

If your car got stolen while you're committing a different robbery, neither of you will be getting a free get-out-of-jail card. It just means theres two crimes.