The information made available by the UK Transport Research Centre (UKTRC) over the web is for information only and does not form part of any contract between UKTRC and the user.

Changing circumstances may cause UKTRC to have to change the information and contents of its pages at any time.

Whilst every effort has been made to ensure the accuracy of information presented, UKTRC disclaims all responsibility for and accepts no liability for any errors or losses caused by any inaccuracies in such information or the consequences of any person acting or refraining from acting or otherwise relying on such information.