Something That Blocks or Impedes Progress

This page is the CodyCross answer for the clue below from Train Travel, Group 718, Puzzle 1 (Boarding Time).

Question is: Something That Blocks or Impedes Progress

and the answer is: OBSTACLE

Word Meaning:

OBSTACLE — Something that impedes, stands in the way of, or holds up progress, either physically or figuratively

Definitions from Wiktionary.

Something That Blocks Or Impedes Progress - Train Travel CodyCross Answers | CodyCross Solutions