__ Tunnel, Grand Engineering Project of the 1990s
This page is the CodyCross answer for the clue below from Train Travel, Group 720, Puzzle 2 (Gare Du Nord).
Question is: __ Tunnel, Grand Engineering Project of the 1990s
and the answer is: CHANNEL
Word Meaning:
CHANNEL — The hollow bed of running waters; (also) the bed of the sea or other body of water.
Definitions from Wiktionary.