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Table B8
Distribution of Pre- and Post-9/11 Long-Distance Trips by Mode, for Each Trip Purpose

Percentage trips (standard error)

NOTE: Cells with a small sample size (< 30) or that have a covariance or c.v. (> 0.3) are shaded dark grey to indicate that the weighted estimates are not reliable. Cells with bold type indicate significant differences (p<0.05) between pre-9/11 and post-9/11 estimates.

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Trip purpose Personal vehicle Air Bus Other All modes
Pre Post Pre Post Pre Post Pre Post Pre Post
Commute 97.7 94.7 1.7 1.9 0.1 0.7 0.5 2.6 100.0 100.0
  (0.56) (1.37) (0.52) (0.81) (0.09) (0.40) (0.28) (1.12)    
Business 77.3 80.1 19.4 17.0 1.0 0.9 2.3 2.1 100.0 100.0
  (1.80) (1.48) (1.72) (1.36) (0.33) (0.33) (0.59) (0.78)    
Pleasure 89.9 90.9 7.0 6.1 2.2 2.4 0.8 0.7 100.0 100.0
  (0.49) (0.31) (0.32) (0.22) (0.35) (0.21) (0.12) (0.09)    
Personal business 87.7 90.4 5.5 3.7 6.3 5.4 0.5 0.5 100.0 100.0
  (0.88) (0.73) (0.55) (0.49) (0.66) (0.56) (0.16) (0.18)    
Other 95.4 96.8 3.3 1.4 0.2 0.8 1.0 1.0 100.0 100.0
  (1.89) (1.02) (1.80) (0.48) (0.17) (0.59) (0.70) (0.72)    
All trips 88.9 89.7 7.9 7.0 2.3 2.2 0.9 1.1 100.0 100.0
  (0.45) (0.37) (0.35) (0.25) (0.22) (0.15) (0.13) (0.20)    
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