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TPD has provided Environmental services for public and private sector clients related to Transportation Engineering projects since its inception in 1989. TPD’s Environmental Services Team is capable of performing studies for a wide variety of environmental projects ranging from simple noise studies to wetland delineations to complex Environmental Impact Statement (EIS) projects. TPD personnel have completed a wide range of environmental projects in the following discipline areas:


Stream/Wetland Delineation & Mitigation
Public Involvement & Community Outreach
Threatened & Endangered Species Studies
Waterway Permitting
Erosion & Sedimentation Control Design 
CPESC Inspection Services
NPDES Permitting
Macroinvertebrate Studies Noise Modeling/Monitoring
NEPA Documentation
Phase 1 Environmental Site Assessments
Due Diligence Screenings
Qualitative Air Quality Assessment

Agricultural Lands Assessment
Natural Resources Inventories