The Florida Department of Transportation reports that construction on the new Diverging Diamond Interchange (DDI) at Interstate 4 (I-4) and County Road (C.R.) 532 near ChampionsGate is progressing smoothly. The excavation of the pond on the southwest corner of the interchange continues and is retaining the runoff water and filtering out pollutants in the area within the project limits.
Significant work is also being done to the eastbound and westbound entrance and exit ramps in the project area, with crews putting down subgrade and bases. The subgrade is the natural soil that is usually compacted prior to installation of the subbase, which is the layer of lean concrete, recycled concrete, or crushed rock on top. When crews complete the subgrade and subbase, they can work on the base, which is the layer of either crushed gravel, crushed stone, or sand on top of the subbase. Adding these layers provides strength and support to the overlying pavement and creates a more workable surface prior to the installation of the pavement.
Drainage crews on the project are also maintaining the area to prevent damage and erosion, which can occur due to the frequency and volume of rainfall in Central Florida.
The estimated completion time for this project is in late 2022.
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