Perhaps it's a demolition derby track (9,6)

I believe the answer is:

collision course

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'track' is the definition.
(I know that collision course is a type of track)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for collision course that I've seen before include "what looks like leading to conflict" , "opposing philosophies leading to conflict" , "Dangerous approach" , "leads to certain conflict" .)

I've seen this clue in The Daily Express.

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