Singapore legislation
Regulation 6
of Transport Safety Investigations (Railway Occurrences) Regulations 2023
Regulation 6
Meaning of “rail incident” and associated terms
In these Regulations, “rail incident” means a railway occurrence associated with the operation of a rail vehicle on a railway that resulted in, or is a result of, one or more of the following occurrences, and is not a rail casualty:
the rail vehicle —
is involved in a collision or derailment;
sustained serious damage;
caused or sustained a fire or explosion; or
caused serious damage to the rail infrastructure of that railway, which poses a threat to the safe passage of the rail vehicle or other rail vehicles, or to the safety of any individual, property or the environment;
a near collision;
there is an unplanned or uncontrolled movement of any rail vehicle;
a signal passed at danger;
a rail vehicle exceeded the limits of authorised movement in a proceed authority or moves without proceed authority on, or onto, the railway;
a door of the rail vehicle or a platform screen door opened or remained open (without having been commanded to open) while the rail vehicle was in motion;
an occurrence that had, or could have had, an immediate or direct threat to the safe operation of the railway.