Lengthening and rebuilding 13-track double deck bridge, at Jamaica, NY, without disrupting train schedules; purpose is to provide 10-lane vehicular underpass where four lanes passed previously; job involves widening Van Wyck Boulevard from 100 to 194 ft 3 in., and lowering its grade.
Complex bridge lengthened under 1,635 daily trains
Eng News-Rec
Engineering News-Record ; 144 , n 8
1950
Illustrations
Aufsatz (Zeitschrift)
Englisch
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