Page "Hutchinson River Parkway" Paragraph 10
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When the bridge was designated I-678, the section between the Bruckner Interchange and the Bronx Whitestone Bridge had to be converted to Interstate Highway standards.
Once that was completed, that section was assigned the I-678 designation and renamed part of the Whitestone Expressway.
Modifications in 1984 included straightening of some curves, increased sight distances, removal of the rustic lightposts, and lengthening of acceleration and deceleration lanes.
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