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

New techniques allow 200km/h trains straight after engineering works

Doncaster works Boxing Day 2015

A range of advanced engineering techniques slashed the need for trains to run at reduced speeds after planned works this Christmas, Network Rail has revealed.

The body said a renewed focus on precision allowed services to run at speeds of up to 200km/h immediately after major works were completed.

This reduced passenger disruption and saved more than £500,000 in payments to operating companies.

Network Rail carried out £150M of work over the festive period, with 20,000 people taking part in more than 500 projects.

The body said in a statement: “Track monitoring and installation practices have improved significantly in the last few years.

“The key to achieving a high speed handback is to ensure track is installed at each stage to its specific design tolerances, that care is taken while tamping to get the track to its final exact co-ordinates and that welding and stressing is completed as part of the core works where sufficient access is available, rather than scheduled for a later date.”

Engineering techniques used to assist high speed handback included:

  • Three-dimensional dozing and excavation to get the bottom stone right first time to absolute design co-ordinates
  • Improved consolidation of ballast through dynamic track stabilisation and Variomatic Bomag rollers to deliver measured, uniform consolidation
  • Placing the track panels to their absolute design position using GPS - rather than a tape measure



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.