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Table 2
Intervention Analysis in STAMP on Passenger Time Series

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Passenger mode AO 9/1/2001 TC 10/1/2001 LS 11/1/2001
Air RPM Significant Significant (decay rate = 8%) Not Significant
Rail PM Not Significant Not Significant Not Significant
VMT Significant Not Significant Not Significant

SOURCE: STAMP analysis, U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics.
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