SUBWAY — Lee Crooks couldn't stop interrupting himself.

We rode the CTA with Crooks, the Milwaukee-based voice actor who says "doors closing," for a video of him reading some iconic Chicago lines in his famous announcement voice.

Timing proved difficult; the recorded Crooks kept interrupting live-action Crooks.

See some behind-the-scenes moments as the voice actor meets Chicagoans who hear his voice every day:

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