ITS Strategies Can
Reduce Environmental Impacts
•Traffic Signal
Coordination
–Emissions reduced by up
to 22% (National Traffic Signal Report Card)
•Ramp Metering
–Emissions decreased by
3-8% on typical day and 2-3% on high demand day (Minneapolis,
MN)
•Speed Management
–NOx emissions reduced by
17% by reducing speed limit from 65 mph to 55 mph on Ozone
Action Days (Austin, TX)
•Incident Management
–Saved 5 million gallons
of fuel by reducing incident duration by 28% (CHART, MD)
•Transit Signal
Priority
–Fuel consumption reduced
by 2% to 19%, and bus emissions by up to 30% (Arlington, VA;
Eastleigh, England; Helsinki, Finland)
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