fast track

Short definition from Wiktionary

Noun

1. 1
   A racetrack with optimum conditions for high speeds
2. 2
   A railroad for express trains.
3. 3
   The quickest or most direct method or path.
4. 4
   A high-pressure or intensely competitive situation, particularly one characterised by rapid advancement.
5. 5
   Alternative spelling of fast track.

Verb

1. 1
   To progress something with unusual rapidity.
2. 2
   Alternative spelling of fast track.