The rule book changes regularly and we try to make sure that the content is accurate and up-to-date. However, this is all done in our limited spare time, so if you spot any errors please do let us know.
All information on this site is provided in good faith and for general guidance. You should always consult the RSSB website and your company documentation for definitive instructions.
Some major updates resulting from changes introduced in the December 2025 rule book update:
New page on Extended Block Working, following updates to Module S5, including revised NR3190 form
Removal of Temporary Block Working and Emergency Special Working pages
Updates to Single Line Working following updates to Module P1, including revised RT3193 form
Updates to Speeds quiz and Speeds revision due to introduction of Extended Block Working and changes to failure of warning horn
Speeds revision and speeds quiz updated (a previous rule book update on the speed before ESR equipment is installed had been missed - thanks to Robert at GWR for spotting this!)
Pages updated to take account of changes to the rule book (4 December 2024)
A new page on Use of the warning horn was added.
Assisting a failed train section updated to take account of changes to the rule book Module M2 (Issue 7 December 2023)
PDF versions of forms updated to latest versions (RT3184, RT3185, RT3193, NR3190)
A new page on Running Brake Tests was added.
A good practice page on SPAD mitigation techniques was added.