The Harsimus Branch Embankment is a half-mile-long segmented stone structure that is an out-of-use rail right-of-way. A monarch flyway, its surface has seeded naturally and provides habitat for many bird and animal species in an otherwise built out urban area.
Initially facing City opposition, the Pennsylvania Railroad Harsimus Stem Embankment Preservation Coalition spent several years developing its arguments for preservation and educating the public and elected officials about the structure’s importance to preserving open space, and towards flooding and CSO control. The Coalition applied for and received historic protections for the structure at the municipal, state, and national level, as well as other recognitions.

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