Fast-Paced; E.g. a Bullet Train
This page is the CodyCross answer for the clue below from London, Group 497, Puzzle 5 (Queen Elizabeth).
Question is: Fast-Paced; E.g. a Bullet Train
and the answer is: HIGHSPEED
Word Meaning:
HIGH SPEED — Alternative form of high-speed.
Definitions from Wiktionary.