The Southwest Parkway: construction fast facts
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16 June 2009
North Texas Tollway Authority (NTTA) Southwest Parkway - Roadway Quantities
Concrete Pavement - 28 ha
Excavated Material - 3.29 million m3
Fill Material - 0.54 million m3
Landscape Area - 59 ha
Drainage Piping - 18 km
Retaining Wall Panels - 47600 m2
North Texas Tollway Authority (NTTA) Southwest Parkway - Bridge/Structure Quantities
Rock/Soil Nails - 50 km
Drilled Shaft Piers - 11 km
Substructure Concrete - 52000 m3
Bridge Deck - 12 ha
Prestressed Concrete Girder - 54 km
Steel Plate Girder - 4521 tonnes
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