If at any time during the investigation the RAIB becomes aware of any safety matter that it believes requires urgent consideration it will formally alert the industry and safety authority by issuing an Urgent Safety Advice The RAIB became operational in October 2005 as the UK's independent body for investigating accidents and incidents occurring on the railways of Great Britain and Northern Ireland and tramways in England and Wales The role and duties of the RAIB are set out in the Railways and Transport Safety Act 2003 and its associated implementing regulations, the Railways Regulations 2005 Publication of our investigations reports provides all parts of the railway industry, both nationally and internationally, and the public, with the opportunity to consider the findings and learn lessons from our investigations