Overview:Engineers determine if a new aviation technology called an aerated concrete arrestor bed can be used to prevent out-of-control vehicles from crossing the highway median and plowing into oncoming traffic.
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First Air Date: Dec 26, 2007Last Air date: Sep 18, 2008Season: 2 SeasonEpisode: 20 EpisodeRuntime: 60:43 minutesQuality: HDIMDb: 7.5 / 10 by 4 usersPopularity: 2.4751Language: en
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