Bihar RTO codes

The first two letters identify the state or Union Territory in the code series; the following digits identify a registering-authority code. Names here are concise search labels and can be historical, statewide, or otherwise subject to change. Review the source notes and confirm current status with the transport department.

Data compilation attributed to TrafficChallan under CC BY 4.0. This is an independent directory, not a government website or vehicle-owner lookup.