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[–] 475677 0 points 3 points (+3|-0) ago 

I've seen tons of youtube clips of trucks plowing through concrete barriers by hitting them off center. Sure they get busted up and whatnot but they still manage to push the blocks enough to clear a path for the tuck to continue moving. If they chained them together so they all get pulled together it'd be a different matter but individually they're no match for a truck of peace going 100 miles an hour but even assuming they actually stop the bulk of the vehicle the people behind will still get sprayed with shrapnel.

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[–] altident 0 points 1 point (+1|-0) ago  (edited ago)

Or instead of hoping to give 10 people some metal splinters, they'll just show up with a chest bomb and kill 50. Have you ever seen a vehicle accident? I don't know why you seem to think they just disintegrate into 1000 pieces, unless they used a fiberglass car. Metal cars and trucks are designed to crumple, not really producing much shrapnel beyond safety glass from the windshield.

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[–] Germ22 ago 

Well in Europe all trucks are governed to 80km/h so about 50 mph.
You might be right that those blocks are not perfect, But i think they are more like the TSA, just safety theater.