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Traffic Triangle Retrofit at 47th and Grays Ferry | PhillyWatersheds.org

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Traffic Triangle Retrofit at 47th and Grays Ferry

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Intro

The rain garden installed in the traffic triangle at 47th and Grays Ferry reduces the flow of stormwater into the combined sewer system through on-site infiltration, thus reducing overflows to the river and non-point source pollution from stormwater runoff.

Project Description

Traffic triangles are often under-utilized parcels within the urban landscape. The vegetated, but unused traffic triangle at the intersection of 47th and Grays Ferry in West Philadelphia was retrofitted with a rain garden to provide a gateway feature for the community and nearby university while managing stormwater from the adjacent streets. Stormwater from Paschall Street and Grays Ferry Avenue is diverted into the traffic triangle through trench drains, where it can pond and infiltrate into the soil. The gardens are planted with trees, shrubs, and herbaceous plants that will tolerate the fluctuating conditions and provide year round interest as a gateway landscape.

Traffic triangles are often under-utilized parcels within the urban landscape. The vegetated, but unused traffic triangle at the intersection of 47th and Grays Ferry in West Philadelphia was retrofitted with a rain garden to provide a gateway feature for the community and nearby university while managing stormwater from the adjacent streets. Stormwater from Paschall Street and Grays Ferry Avenue is diverted into the traffic triangle through trench drains, where it can pond and infiltrate into the soil. The gardens are planted with trees, shrubs, and herbaceous plants that will tolerate the fluctuating conditions and provide year round interest as a gateway landscape.

Traffic triangles are often under-utilized parcels within the urban landscape. The vegetated, but unused traffic triangle at the intersection of 47th and Grays Ferry in West Philadelphia was retrofitted with a rain garden to provide a gateway feature for the community and nearby university while managing stormwater from the adjacent streets. Stormwater from Paschall Street and Grays Ferry Avenue is diverted into the traffic triangle through trench drains, where it can pond and infiltrate into the soil. The gardens are planted with trees, shrubs, and herbaceous plants that will tolerate the fluctuating conditions and provide year round interest as a gateway landscape.

Watershed Issues Addressed

Stormwater Management

Location

LatLon

39.94143,-75.20882

Watershed

Address

47th and Grays Ferry Street, Philadelphia, PA

Neighborhood

Paschall - Kingsessing

Lead Agency

Philadelphia Water Department

Partners

PA Department of Environmental Protection

Pennsylvania Horticultural Society

University City Green

University of Sciences in Philadelphia

Philadelphia Department of Recreation

Philadelphia Streets Department

Status

Complete

Tools Employed

Green Infrastructure

rain gardens

Waterways Restoration

Traditional Infrastructure

Community Partnerships