Whether you're specifying traffic signs, managing roadworks, or working with our mapping and traffic order software, having access to the right technical resources is essential.
On this page, you’ll find key guidance, working drawings and reference materials to support traffic sign design, legal compliance, mapping and transport planning. The links point either to downloadable documents hosted on our website or to trusted external sources across the UK highways sector.
Practical Guidance Documents
These documents provide helpful, trusted guidance for professionals involved in traffic sign specification, structural design and traffic order enforcement. Several have been developed with input from our own team alongside other industry experts, and are supported within our software tools.
- IHE Sign Structures Guide 2021
Edited and co-authored by Simon Morgan while part of Buchanan Computing (now part of Causeway Technologies) - ARTSM Guidance on Specifying Permanent Signs
Co-authored by Buchanan Computing, now part of Causeway Technologies) - DfT Operational Guidance – Parking Policy & Enforcement (2015)
withdrawn 2018 but most advice (e.g. Appendix E on the TRO process) is still correct and useful.
Department for Transport
- Traffic signs overview page
- Road and street works overview page (includes the Red Book)
- 2016 TSRGD working drawings for traffic signs
- Working drawings for 2002-2011 TSRGDs (mostly still current) by diagram no.
- TSRGD 2016 Traffic signs regulations: full Statutory Instrument
Corrections to TSRGD 2016: [England & Wales] [Scotland] - Circular 01/2016 – an overview of TSRGD 2016 and cross-reference from old diagram numbers
- Individual traffic sign authorisations granted since January 2011
- Parking Policy Operational Guidance withdrawn 2018, but still current advice on TROs etc.
- National Highways (Highways England) documents on directional signing
(withdrawn advice: IAN 144, IAN 145, TA 93/04, TA 94/04, DMRB archive)
Wales, Scotland and Northern Ireland
- Welsh 2023 TSRGD Amendment and correction
- Welsh Government working drawings of bilingual signs
- Scottish 2022 TSRGD Amendment Notes & guidance on this amendment
- Transport Scotland working drawings (links at the bottom)
- Scottish traffic sign authorisations granted since 1987 (list only: no drawings)
- Northern Ireland traffic sign authorisations since c 2005
Institute of Highway Engineers
Ordnance Survey
- Digital mapping of Great Britain for use with our system
MapInfo
- Desktop mapping software used within Causeway TraffMap systems
Additional Resources
If you’re a user of Causeway SignPlot, Causeway SignLoad, Causeway ParkMap or Causeway AccsMap, you can also access our dedicated user area – a secure, login-only space with further resources to support your use of the software. You can log in here to discover even more tailored content.