HPDP A to Z
Environmental Processes
Class I Actions
Class II Actions
Class III Actions
All HPDP Forms
Early Notification Memo
Environmental
Environmental Document Decision Tree
Class I Actions (EIS)
Class II Actions (Categorical Exclusions)
Class III Actions (EA) and State EAW
Finding of Facts & Conclusions,
Finding of No Significant Impact (FONSI),
and Negative Declaration (ND)
Section 4(f) Documentation
Design
Design Standards and Exceptions
Other Documents
Interstate Access Requests
Review and Approval
Review of Preliminary Project Documents
Approval of Project Documents
Accessibility Requirements
Air Quality
Airports & Aviation
Bikeways & Pedestrians
Business
Impact Mitigation
Construction Impacts
Consultant Agreements
Contaminated Properties
Cost Effectiveness Policy
Cost Participation
Critical Areas
Design Standards and Exceptions
Energy Analysis Procedure
Environmental Justice
Erosion Control
Excess Materials (Disposal of)
Farmland Impacts
Fish and Wildlife
Flood Plains
Geometric Layouts
Groundwater, Geotechnical & Earthborn Vibrations
Historical, Archaeological & Cultural Impacts
Interstate Access Requests
Land Use Impacts
Municipal Consent
Noise
Railroad
Regulated Material/Waste
Right-of-Way
Section 4(f)
Section 6(f)
Snow: Blowing & Drifting Snow Control
Social & Economic Impacts
Soils, Materials, Foundations & Pavement
Stream or Water Body Modification
Threatened & Endangered Species, Federal
Threatened & Endangered Species, State
Traffic Forecasts
Transit
Vegetation
Visual Quality
Water Quality
Wetlands
Wild & Scenic Rivers