National Electronic Sectional Appendix
The National Electronic Sectional Appendix (NESA) contains detailed information useful to operators about network capability, as well as a considerable amount of other data.
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NESA is an electronic data source with significant advantages over a hard copy publication. These include:
- search tools for locations, routes and keywords
- information can be accessed easily across Network Rail route boundaries
- network maps enable a user to navigate through the data by linked references
- a route-builder facility that allows a user to create bespoke routings to match their needs
- online editing capability ensures that it is up-to-date.
Across the network changes arise every week (from track renewals to major construction activity), which are published first in the Weekly Operating Notice (WON) and rapidly incorporated in NESA.
How to subscribe
To access the National Electronic Sectional Appendix (NESA) you need to:
- Email the NESA mailbox with your name, job title, company name, company address and justification for access.
For external users please be aware access can only be given to requestors with corporate email addresses. Any request from a personal email account e.g. Hotmail, will be rejected in the first instance.
For issues viewing Table A’s in NESA please ensure you have SVG Viewer installed on your asset.
For forgotten passwords, please email ExternalPasswordReset@networkrail.co.uk and include the User ID and email address linked to your account. N.B. This email address is only monitored weekdays 8am – 4pm. Outside of these hours, please call the IT Helpdesk on 01270 721600.
For any amendments to the Sectional appendix, Route Clearance, General and Local instructions please email the Planning Publications team at PlanningPublications@networkrail.co.uk
System requirements
The NESA track diagrams (known as Table A diagrams) are rendered in a format known as scaleable vector graphics (SVG). To view these you need a suitable SVG viewer on your computer or device. Many of these can be downloaded free from the web. Some viewers can be implemented as a plug-in to Internet Explorer and other browsers. Your IT department should be able to advise you.
Accessing NESA
Once registration has been completed we will send you an email with a unique user name and password, explaining how to access NESA.