S o i l N a i l S VNail S PRo JECT SUMMa RY Geotechnical c onstruction c oast to c oast The 2.3-mile extension to the Route 7 expressway is designed to bypass its previous terminus at a busy Brookfield retail center, known as the Four Corners, and thus alleviate long-term severe traffic congestion. Construction of the new roadway required cutting into the slope of an existing hill, on top of which is a cemetery dating from the 1700s. Desig

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