Transport Infrastructure Planning Unit

This unit issues decisions on applications under the Transport and Works Act 1992.

The Transport Infrastructure Planning Unit (TIPU) processes, and issues decisions on, applications under the Transport and Works Act (TWA) for powers to construct and operate railways, tramways and other guided transport systems, and works which interfere with navigation rights.

Queries about TWA applications

If you have a query in regard to the procedures for a particular TWA application which you have an interest in, please raise it in the first instance with the relevant case officer, whose contact details are provided to all those who make representations on an application.

If you do not know who the case officer is, or if you have any general enquiries about, or any comments to make on, the TWA process (including any suggestions for improving the process), please address them to:

Transport Infrastructure Planning Unit (TIPU)

Department for Transport
Great Minster House
33 Horseferry Road
London SW1P 4DR


If you have a complaint to make about the way an application is being handled, you are advised to raise this in the first instance with the relevant case officer, either by phone, email or letter. If you are not satisfied with the response you get, and wish to take this further, please refer to the complaints section of this website, which explains the options available to you.

If you wish to challenge a decision made by the Secretary of State on an application for a TWA Order, please refer to the guidance on TWA procedures. Guidance on how decisions can be challenged in the courts is also given in a note which accompanies all TWA decision letters.

Contact details