There was nothing I could do to avoid a 'head-on collision'. [=a crash of two vehicles that are moving directly toward each other]
The decision put us 'on a collision course' with economic disaster.
He reported on the latest 'collision between' the two leaders.
(..) across a tenth of our planet - the Himalayas. These, the highest mountains of the world, like other great ranges, were created by the collision of continents. Some million years ago India collided with Tibet thrusting up these immense peaks, which are still rising. (..)2006 TvShow: Planet Earth Title: Mountains Season: 1 Episode 2