There is interaction between the three areas of SIP components. These three areas are as follows:
- Local/Regional
- HOV Lanes
- Transit Investments
- Stationary Source Rules
- Transportation Strategies
- Pedestrian/Bicycling Improvements
- Congestion Pricing Market Incentives
- State
- Controls on Mobile Sources, Fuels, Consumer Products, Pesticides
- Market Measures
- Inspection/Maintenance Programs
- Federal
- National Standards for Trucks, Trains, Planes, Ships, Farm/Construction Equipment (off-road equipment)
- Fuel Standards
- Emissions from Tailpipes (NLEV) Tier 1
