If anything gets filed, contact an attorney and they can request interim attorney fees that your ex will pay. A local attorney could discuss the likelihood of a judge granting that. Otherwise home state is PA and they have continuing, exclusive jurisdiction over the matter.
If you had the right of way with a green light, you don't yield to anyone. Officers make mistakes on traffic law more often than people think. Hopefully he committed to the reason to stop on an incar video. Makes coming up with something after-the-fact inapplicable. Hopefully your judge...