I saw a movie about a year ago where there was a relatively simple shot of an SUV taking an off-ramp on a freeway. It only lasted a few seconds (5 - 10).
When they went to commercial, they had one of those DVD on TV or other clips where they show a Behind the Scenes of the making of the movie.
I was astounded to find that the shot was actually faked. Instead of having someone drive an SUV and have a camera in a helicopter (or, nowadays, a drone), they actually created a small scale replica of part of the city (similar to the pic below except simpler).
As far as I could tell, this was only used for this one shot.
Why would they do this? Is it really cheaper to have someone build all the miniatures or is it just easier to control? Or does the studio have a miniature department so might as well use it?
I don't think the actual movie matters, as the Behind the Scenes clip implied that this was normal - not extraordinary. That said, I think the movie had Julianne Moore and possibly Nick Cage (Next?).