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Re: ''Transit advocates urge Hochul to scrap LaGuardia AirTrain''

Posted by Stephen Bauman on Sat Sep 11 19:42:37 2021, in response to Re: ''Transit advocates urge Hochul to scrap LaGuardia AirTrain'', posted by Andrew Saucci on Sat Sep 11 18:56:36 2021.

I don't know what the grade on the Manhattan Bridge or the Williamsburg Bridge is, but it certainly seems slow when one is in a hurry.

All the East River bridges were designed for horse drawn traffic. A 5% grade was considered too steep.

The War Department force the Brooklyn Bridge to be raised 5' above mean high tide, after construction started on the towers. It was J. Roebling's unwillingness to increase the BB's grade, that forced him to move the roadway into the bridge's lattice work.

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