Glossary and Acronyms

Preliminary Engineering (PE/LPE)

A phase of work that involves performing engineering tasks and technical environmental studies to obtain formal community consensus on the study and to secure the approval of the environmental document. PE denotes the New Jersey Department of Transportation Preliminary Engineering phase. LPE denotes Local Preliminary Engineering by a local entity (e.g., Metropolitan Planning Organization, county, or municipality).


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The South Jersey Transportation Planning Organization serves the counties of Atlantic, Cape May, Cumberland, and Salem.

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