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Total Number Of Vehicles Measured = 297,722

 

	Valid Readings*	Invalid Readings**
Number of Vehicles	289,053	8,669
Percentage of Vehicles	97%	3%

*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	271,681	13,131	4,241
Percentage of Vehicles	94%	5%	1%

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This site was last updated March 18, 2005

 

July 2003 Statistics