Minnesota Department of Transportation

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Project development

MnDOT's transportation project development process

MnDOT’s transportation project development process (TPDP) outlines the steps a project manager, environmental document writer, and designer must take to bring a project to completion. The graphic below represents the phases that a project goes through from conception to completion.

Choose a phase

Letting,Award Engagement Public Engagement and Communications Communications Engineering Planning Scoping PreliminaryDesign Final Design Construction Operations andMaintenance Environment Environmental Review Environmental Commitments

Use the TPDP

Engagement process


Engineering process


Environmental process