Sleeper renewal
Request ID: FOI-2622-1718
Date published: 24 January 2018
You asked
Please would you give details of the numbers of each sleeper type e.g. concrete, concrete bock, steel, softwoood, and bearer type you install annually.
We answered
TfL Ref: 2622-1718
Thank you for your email received on 25 December 2017 asking for information about our sleeper and bearer renewal numbers for the period 2012-2017 for Docklands Light Railway (DLR), Croydon Tramlink and London Underground.
Your request has been considered in accordance with the requirements of the Freedom of Information Act and our information access policy. I can confirm that we hold some of the information you require.
Please note that we have provided data for as far back as we hold it.
DLR:
The following numbers and types of sleepers were installed on the DLR network in the last year by our Franchisee and Concessionaire Track maintainers. Please note that no sleepers were installed by DLRL.
|
Concrete sleepers
|
60
|
|
Wooden sleepers
|
42
|
|
Joint timbers
|
24
|
|
S&C timbers
|
15
|
|
Steel sleepers
|
0
|
We only hold the data for the last year as there is no contractual obligation for our Franchisee or Concessionaire to keep these records.
Croydon Tramlink:
|
2017
|
Gravel Hill Track Renewal
|
1590 Concrete Sleepers; Type: CEMEX 1502
|
|
2017
|
Morden Road Track Renewal
|
1100 Concrete Sleepers; Type: CEMEX 1502
|
|
2014
|
Mitcham Junction
|
Beddington Lane Twin Tracking =2285 Concrete Sleepers; Type: CEMEX 1502
|
|
2013
|
Mitcham Junction
|
Mitcham Twin Tracking = 2414 Concrete Sleepers; Type: Stanton Bonna M450 Mono-block
|
We have also carried out the occasional ad hoc replacement of sleepers under maintenance.
London Underground:
|
|
2012
|
2013
|
2014
|
2015
|
2016
|
2017
|
|
Softwood
|
1,042
|
1,627
|
1,719
|
1,988
|
1,027
|
2,124
|
|
Concrete
|
6,176
|
19,887
|
8,593
|
3,400
|
1,376
|
863
|
|
Hardwood
|
230
|
317
|
131
|
979
|
1,468
|
666
|
|
|
7,448
|
21,831
|
10,443
|
6,367
|
3,871
|
3,653
|
If this is not the information you are looking for, or if you are unable to access it for any reason, please do not hesitate to contact me.
Please see the attached information sheet for details of your right to appeal as well as information on copyright and what to do if you would like to re-use any of the information we have disclosed.
Yours sincerely
Sara Thomas
FOI Case Management Team
General Counsel
Transport for London
Back to top
