The force said no arrests have been made in relation to the offences dating back to the 1980s and 1990s.
A BBC Panorama investigation revealed allegations that two women had been raped during filming.
The Met Police will submit files to the CPS including possible cases of corporate manslaughter.
The new cost range and train speed are being announced as a "reset" of the delayed, over-budget and vastly scaled-back project is carried out.
Pouria Zeraati tells a court of a "violent" attack outside his Wimbledon home in late March 2024.