This has been passed on to me:
"...You asked for information about the costs for the Rapid project.
Your request has been considered under the requirements of the Freedom
of Information Act. I can confirm that we do hold the information you
require. I am sorry for the delay in responding to you whilst I
obtained the information for you.

I can confirm that £1,629,000 was spent on the project. I hope this
information is useful. If you have any further questions or would
like to discuss your request please do not hesitate to contact me
on ...."