"on which project" is correct and usable in written English.
It is used when the project is the focus of the sentence and is being referred to as a specific location or topic. Example: "I am working on a project for my company, on which project I have been assigned as the team leader."
That said, the L.A. decision probably will come down to a vote of NFL owners on which project, if any, is the one to pursue.
It depends on which project.
But it also announced that further work on noise, pollution and compensation – which it expects to be concluded "over the summer" – will be carried out before it makes a decision on which project to support.
Depending on which project is chosen, the estimated start would be in 2013, when the structure reaches its 110th year in use.
NFL owners could vote on the plans as early as next month during a special meeting in Houston, though a consensus doesn't appear to have emerged on which project will move forward.
However, they can be used to clarify the assumptions on which project plans are made and allow incoming members of the project to check whether these assumptions are relevant to their local context.
She helps advise donors on which projects to support.
It's a highly robust application process, with independent business experts making the judgement calls on which projects offer most long-term potential.
Small schemes often give a better benefit-cost ratio than HS2, according to the "business case" on which projects are assessed by the Department for Transport.
In one scene clear plastic sheets descend from the ceiling; the dancers paint them, creating opaque surfaces on which projected images begin to emerge, to fairy-tale effect.
The only nonconventional element of the presentation was a screen behind the piano on which projected colors and slowly shifting images provided a subtle backdrop.
