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Total Number Of Vehicles Measured = 288,175

 

	Valid Readings*	Invalid Readings**
Number of Vehicles	288,175	12,245
Percentage of Vehicles	96%	4%

*Denotes vehicles with measurable exhaust plumes where the machine saw exhaust when triggered

**Denotes vehicles where their exhaust cannot be measured, vehicles with exhaust stacks on top instead of at the lower rear, OR vehicles where the machine saw no exhaust when triggered.

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	Good	Fair	Poor
Number of Vehicles	263,058	9,623	3,249
Percentage of Vehicles	96%	3%	1%

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This site was last updated March 18, 2005

 

December 2003 Statistics