The traffic is moving on the left side of the road, which is characteristic of Australia or the UK. The green highway signage and the specific style of the sound barrier walls strongly point towards an Australian urban motorway. The architecture of the high-rise buildings in the background matches the skyline of Sydney. I am quite confident this is the Western Distributor or a similar expressway in Sydney.

I suspect this is Sydney, Australia. I am 80% sure.

then: guess