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

Bond Street Escalator

Tunnelling: All seeing eyes

As London Underground’s Bond Street station upgrade moves into the tunnelling phase, the scheme’s monitoring system is coming into its own. Claire Smith reports.