Network Rail codes
This list shows all standard codes used from 2003 (other codes have existed, including special, location-specific codes).
Code | Meaning |
---|---|
1 | Call attention |
1-1 | Answer telephone withdrawn 2007 |
1-1-6 | Police assistance urgently required |
1-2 | Signaller required on telephone added 2007 |
1-2-1 | Train approaching |
1-2-2 | Line blockage completed added 2015 |
1-2-6 | Opposite line, or an adjacent line used in the same or opposite direction, to be blocked for the passage of train conveying out-of-gauge load |
1-3-1 | Is line clear for Class 3 train? |
1-4 | Is line clear for Class 9 passenger (Class 373 train)? 'or other passenger train if specially authorised' added 2012 |
1-4-1 | Is line clear for Class 9 empty coaching stock (Class 373 train)? |
2 | Train entering section |
2-1 | Train out of section, or obstruction removed reference to 'obstruction removed' deleted 2007 |
2-1-2 | Obstruction removed added 2007 |
2-1-3 | Locomotive arrived |
2-1-6 | Train that carries speed or route restrictions only and which can pass trains signalled 2-6-1 or 2-6-2 on the opposite or an adjacent line replaced 2012 |
2-1-6 | Train with speed or route restrictions only added 2012 |
2-2 | Locomotive assisting in rear of train withdrawn December 2007 |
2-2-1 | Is line clear for Class 5 train? |
2-2-2 | Block line for protection purposes added 2015 |
2-2-3 | Is line clear for train requiring to stop in section? withdrawn December 2007 |
2-3 | Is line clear for Class 0 locomotive or locomotives? |
2-3-3 | Working in wrong direction |
2-4 | Blocking back inside home signal |
2-5 | Train withdrawn |
2-5 | Token replaced |
2-5-5 | Train or vehicles proceeding without authority in the wrong direction |
2-5-5 | Train or vehicles proceeding without authority |
2-6-1 | Train that can pass trains signalled 2-6-1 or 2-6-2 on the opposite or adjacent line which will be signalled 2-6-2 or 2-6-3 at some part of its journey replaced 2012 |
2-6-1 | Train which will be signalled 2-6-2 or 2-6-3 for part of its journey added 2012, replaced 2017 |
2-6-1 | Train that can pass trains signalled 2-6-2 or 2-6-3 on an opposite or adjacent line which will be signalled 2-6-2 or 2-6-3 for part of its journey added 2017, replaced 2018 |
2-6-1 | Train that can pass trains signalled 2-6-1 or 2-6-2 on an opposite or adjacent line which will be signalled 2-6-2 or 2-6-3 for part of its journey added 2018, replaced 2018 |
2-6-1 | Train that can pass trains signalled 2-6-1 or 2-6-2 on an opposite or adjacent line but which will be signalled 2-6-2 or 2-6-3 for part of its journey added 2018 |
2-6-2 | Train that cannot be allowed to pass trains signalled 2-6-2 or 2-6-3, on an opposite or adjacent line |
2-6-3 | Train requiring an opposite or adjacent line to be blocked |
2-8 | Home signal defective withdrawn 2014 |
3-1 | Is line clear for Class 2 train? |
3-1-1 | Is line clear for Class 4 train? |
3-2 | Is line clear for Class 8 train? |
3-2-3 | Train drawn back clear of section |
3-3 | Blocking back outside home signal |
3-3 | Blocking back withdrawn December 2010 |
3-3-2 | Shunting into forward section |
3-3-4 | Train or vehicles at a stand withdrawn 2009 |
3-3-5 | Line now clear in accordance with regulation 3.4 for train to approach replaced 2012 |
3-3-5 | Line now clear to clearing point added 2012 |
3-5 | Cancelling |
3-5 | Cancel last description sent withdrawn December 2007 |
3-5-5 | Restricted acceptance |
4 | Is line clear for Class 1 train? |
4-1 | Is line clear for Class 7 train? |
4-4-4-4 | Transference of tokens withdrawn 2007 |
4-5 or 9 | Train passed without tail lamp |
4-5-5 | Train or vehicles proceeding without authority in the right direction |
5 | Is line clear for Class 6 train? |
5-2 | Train clear of section |
5-2 | Release token |
5-3 | Train incorrectly described |
5-5-5 | Opening of signal box |
5-5-7 | Closing of signal box where section signal is locked by the block |
6 | Obstruction danger |
6 | Emergency alarm |
6-2 | Train an unusually long time in section withdrawn December 2007 |
7 | Stop and examine train |
7-5-5 | Closing of signal box |
8 | Shunt withdrawn |
8-2 | Distant signal defective withdrawn 2014 |
8-4 | AHB level crossing - trains cautioned. Local control being taken (where communication is not available between adjacent signal boxes) withdrawn December 2007 |
9 or 4-5 | Train passed without tail lamp |
16 | Testing equipment |