fast track
noun
Definitions
A racetrack with optimum conditions for high speeds
A railroad for express trains.
The quickest or most direct method or path.
Example: Google welcomes the decision to not approve the fast track of Microsoft's OOXML.
A high-pressure or intensely competitive situation, particularly one characterised by rapid advancement.
verb
Definitions
To progress something with unusual rapidity.
Example: The head of Sydney Airport thinks frequent flyers should be fast-tracked through security checks.