Final answer:
The demerit points for failing to stop at a railway crossing while driving a bus depend on local traffic laws. Consult your local motor vehicle authority for accurate information regarding your license.
Step-by-step explanation:
If you are driving a bus and fail to stop at an unprotected railway crossing, the number of demerit points you will receive on your license can vary by jurisdiction. In general, traffic violations such as failing to stop at a railway crossing can be a serious offense due to the safety risks involved. However, since traffic laws and the associated demerit points system can differ from one place to another, it is important that you consult your local motor vehicle authority or the appropriate governmental department to find the accurate information for your specific location.