What should I do if the other driver refuses to give me their details after a crash?

Record what you safely can, including the registration, location and evidence, and report the collision to PSNI because the normal exchange-of-details requirement has not been satisfied.

In relation to “What should I do if the other driver refuses to give me their details after a crash?”, a clear timeline — where you were, what happened, what you did next and who was present — is often more useful than a long argument about blame at the scene.

For “What should I do if the other driver refuses to give me their details after a crash?”, prioritise the registration, vehicle description, direction of travel and witnesses. Nearby CCTV can be overwritten quickly, so note cameras and premises while the scene is still fresh.

For “What should I do if the other driver refuses to give me their details after a crash?”, for Northern Ireland, the key is to use the authority or contract that actually controls this issue. The sources attached to this answer include PSNI - Road Traffic Collision, nidirect - Motor insurance explained, and GOV.UK - Vehicle insurance. Those sources should take priority over forum posts or guidance written for a different jurisdiction, particularly where a deadline, offence, fee, finance right or policy condition is involved.

Practical next step for “What should I do if the other driver refuses to give me their details after a crash?”: make a short incident note while details are fresh — time, exact location, registrations, people involved, witnesses and photographs or original video. If police, insurer, road authority or recovery operator is involved, keep each reference number with that note.