

Joe Ryan, a veteran train engineer, is demoted to a flagman position after a disastrous crash-- one caused by his cowardly and opportunistic partner. Though Ryan's failing eyesight is named as the cause of the crash, he's undeterred as he designs an automatic braking invention.
The Block Signal was directed by Frank O'Connor.
The Block Signal holds an average rating of 9.0/10 on TMDB, and it lands best with fans of drama and thriller. Join the discussion below to add your take.
The Block Signal runs for 59min, and was released in 1926.
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