FOI000764 EIR Transport, Highways and Parking

In 2019 the then leader of the council Simon Dudley announce via a press release that the council had received funding to upgrade 6 roundabouts on the A308 . Five have been updated but Braywick has not been done .
In 2020 a draft plan was produced . In 2021 it was stated by a RBWM officer that work on Braywick was to be coordinated with M4 upgrades.
Questions
How much of the original monies allocated to upgrade the six roundabouts is still available to upgrade Braywick ?
Why is this project taking so long to be started ?
Will this project still proceed ? If yes what is the projected stat date ? If no why not ?