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Total Number Of Vehicles Measured = 279,715

 

	Valid Readings*	Invalid Readings**
Number of Vehicles	272,737	6,978
Percentage of Vehicles	98%	2%

*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	259,303	9,958	3,476
Percentage of Vehicles	95%	4%	1%

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This site was last updated February 7, 2040

 

August 2004 Statistics