TA20

Number Title Effective Version
National Rules – Glossary
NSFT 100 National Safeworking Framework Glossary 11 May 2026 1.0
National Rules – General
NSFG 200 Walking in the Danger Zone 11 May 2026 1.0
NSFG 204 Network Communication 11 May 2026 1.0
NSFG 206 Reporting and Responding to a Condition Affecting the Network (CAN) 11 May 2026 1.0
NSFG 210 Speed Restrictions during Hot Weather 11 May 2026 1.0
NSFG 212 Network Information Publications 11 May 2026 1.0
NSFG 230 Communications Equipment 11 May 2026 1.0
NSFG 232 Responsibilities of Rail Traffic Crews 11 May 2026 1.0
NSFG 234 Responsibilities of Network Control Officers 11 May 2026 1.0
NSFG 236 Responsibilities of Network Controllers 11 May 2026 1.0
National Rules – Work on Track
NSFW 312 Infrastructure Booking Advice 11 May 2026 1.0
National Rules – Operations
NSFO 428 National Notices 11 May 2026 1.0
NSFO 432 Protecting Activities Associated with In Service Rail Traffic 11 May 2026 1.0
National Rules – Signals and Signs
NSFR 612 Overrun of Limit Authority 11 May 2026 1.0
NSFR 614 Blocking Facilities 11 May 2026 1.0
National Procedures
NSFR 704 Using Infrastructure Booking Advices 11 May 2026 1.0
NSFP 721 Spoken and Written Communication 11 May 2026 1.0
NSFP 750 Protection of in service rail traffic for inspections or repairs 11 May 2026 1.0
TA20 – Operating Rules
00 Master Contents 15 Oct 2023 3.0
01 General Rules 11 May 2026 3.1
02 Fixed Signals 01 Jul 2018 2.1
03 Detention at Fixed Signals 04 Oct 2015 2.0
04 Defective Fixed Signals 03 Jul 2022 2.2
05 Working of Points and Signals 04 Oct 2015 2.0
07 Audible Track Warning signals 04 Oct 2015 2.0
08 Control and Working of Stations 04 Oct 2015 2.0
09 Working of Level Crossings 04 Oct 2015 2.0
10 Working of Trains 11 May 2026 2.1
11 Train Signals 04 Oct 2015 2.0
12 Shunting 04 Oct 2015 2.0
13 Trains Stopped by Accident or Obstruction 04 Oct 2015 2.0
14 Single Line Working 04 Oct 2015 2.0
15 Infrastructure Works 11 May 2026 5.3
17 Centralised Traffic Control System 03 Nov 2019 2.1
18 Train Order System 11 May 2026 2.2
25 Issue of Train Authorities 15 Oct 2023 3.1
TA20 – Operating Procedures
27 Working of Points and Signals 04 Oct 2015 3.0
28 Control and Working of Stations 04 Oct 2015 2.0
29 Working of Trains 04 Oct 2015 2.0
30 Infrastructure Works 11 May 2026 4.3
33 Overhead and Electrical Equipment 04 Oct 2015 2.0
TA20 – Addendum
Phoenix Electronic Train Order System 11 May 2026 2.1
TA20 – Safeworking Forms
CTC Arrival Message 04 Oct 2015 2.0
CTC Caution Order 03 Nov 2019 2.1
2355 Train Order Form Driver Signaller 01 Jul 2018 2.1
2359 Train Order Form 01 Jul 2018 2.1
2368 Train Authority Form 15 Oct 2023 2.1
2377 Signalman’s Caution Order Form 03 Jul 2022 2.1
Drivers Relief Authority 04 Oct 2015 2.0
Absolute Occupation Form 04 Oct 2015 2.0
2420 Master Permit to Foul the Line Form 04 Oct 2015 2.0
2421 Permit to Foul the Line Form 04 Oct 2015 2.0
Track Warrant 12 Jan 2020 2.1
Train Information and Permission Book 04 Oct 2015 2.0
Form B 04 Oct 2015 2.0
Form W 04 Oct 2015 2.0
Form X 04 Oct 2015 2.0
ANRF 003 Infrastructure Booking Advice (IBA) form 01 Jul 2018 1.1
ANRF 004 Condition Affecting the Network (CAN) form 01 Jul 2018 1.1
TA20 – Safeworking Form Compilation Documents
Infrastructure Booking Advice (IBA) 11 May 2026 3.2
Condition Affecting the Network (CAN) 11 May 2026 2.2

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