Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

Priority calls

Lines will be dealt with in order of urgency based on which has the most life expired equipment.


East London


Hammersmith & Circle


Waterloo & City






New fibre optics will connect up with those already in place on the JLE extension but the radio system will need to be replaced.

The Northern Line radio set up is currently being upgraded as part of the Northern Line train PFI so will be left until last.

Have your say

You must sign in to make a comment

Please remember that the submission of any material is governed by our Terms and Conditions and by submitting material you confirm your agreement to these Terms and Conditions. Please note comments made online may also be published in the print edition of New Civil Engineer. Links may be included in your comments but HTML is not permitted.