Season 3 Episodes12
Cast2

Mike Bratton
Narrator
D
Daniel Dickrell
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Ranked #5 of 12 in Season 3•+0.2 vs season avg
Uncover what it took to build one of the most ambitious rail projects in history, London's Crossrail. This staggering feat will span over 73 miles and transport 200 million people a year around one of the world's largest and busiest cities.

Mike Bratton
Narrator
Daniel Dickrell
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"Mega City Railway" is episode 5 of Impossible Engineering season 3. It scored 7.5/10 from 23 votes, ranking #5 of 12 episodes this season (season average 7.3). It aired on April 27, 2017.