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
Access Management
Accessibility
Requirements
Air
Quality
Airports & Aviation
Bikeways & Pedestrians
Business
Impact Mitigation
Complete Streets
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
Historic
Bridges
Historical,
Archaeological & Cultural Impacts
Interchanges: Metro District’s Interchange Planning Review
Interstate
Access Requests
Land
Use Impacts
Municipal
Consent
Noise
Purpose & Need
Statement
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
