Environmental Manuals & Guidance

Provides Best Management Practices (BMP) to be used during ground disturbing activities.

• Chapter 1 – Erosion Control Best Management Practices
• Chapter 2 – Sediment Control Best Management Practices
• Chapter 3 – Non-Stormwater Best Management Practices
• Chapter 4 – Waste Management Best Management Practices
• Chapter 5 – Post Construction Best Management Practices
• Chapter 6 – Glossary of Terms
• ITD Best Management Practice Manual Change Request Form

Provides guidance for complying with federal, state, and local environmental laws and regulations during the planning, designing, constructing, and maintaining of transportation facilities in Idaho.

NEPA stands for National Environmental Policy Act.

• 100.00 – Purpose and Overview
• 200.00 – NEPA Process Overview
• 300.00 – Environmental Documentation and Procedures
• 400.00 – State and Local Projects
• 500.00 – Process for Class II Projects
• 600.00 – Air Quality
• 700.00 – Water Quality/Surface Water
• 1000.00 – Wildlife, Fish, and Vegetation
• 1100.00 – Wetlands
• 1300.00 – Noise
• 1400.00 – Hazardous Materials
• 1500.00 – Wild and Scenic Rivers
• 1600.00 – Agricultural and Farmland
• 1700.00 – Public Lands Section 4(F), 6(F) and Forests
• 1800.00 – Historic, Archaeological and Cultural Resources
• 1900.00 – Social and Economic Conditions
• 2000.00 – Environmental Justice
• 2100.00 – Visual Impacts – Light And Glare
• 2200.00 – Secondary and Cumulative Impacts

PEL studies consider environmental, community and economic goals early while planning future projects.

ITD Air Screening Policy

• Technical guidance to provide an overview of project level air quality analysis.

ITD Noise Policy

• Describes the methods that must be followed to evaluate and abate highway traffic noise because of federal-aid projects.