Glossary and Acronyms

Preliminary Design (PD/LPD)

A phase of work that refers to the beginning phase of the project development process involved in developing project concepts and alternatives, including advancing preliminary engineering and obtaining formal community and environmental approval of the Initially Preferred Alternative. PD denotes Preliminary Design by the New Jersey Department of Transportation. LPD denotes Local Preliminary Design by a local entity (e.g., Metropolitan Planning Organization, county, or municipality).


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