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Message: [QUOTE="OttoMets, post: 3205839, member: 716"] The engineers' rationale is that this is more likely to result in the breakaway bar hitting other cars (in both directions) doing 55 and causing more collateral damage than a single truck hitting the bridge. Makes sense. The one thing I'd like to understand better has been mentioned by others: to what degree is this a problem elsewhere? There're a million parkways in the Northeast, why don't they experience this? (Living in Washington for years, I don't remember trucks hitting low bridges on the Rock Creek or Baltimore-Washingon parkways.) [/QUOTE]