Table B5 Distribution of Pre- and Post-9/11 Long-Distance Trips by Trip Length, for Each Mode

Table B5 Distribution of Pre- and Post-9/11 Long-Distance Trips by Trip Length, for Each Mode

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 length one-way (miles) Personal vehicle Air Bus Other All modes
Pre Post Pre Post Pre Post Pre Post Pre Post
50 - 99 49.0 53.9 0.5 0.3 22.7 35.8 43.7 64.9 44.6 49.9
  (1.04) (0.77) (0.32) (0.17) (3.22) (3.96) (7.41) (7.14) (0.99) (0.73)
100 - 249 35.3 33.3 5.1 2.4 47.0 40.2 33.1 18.9 33.2 31.1
  (0.96) (0.65) (1.16) (0.51) (3.97) (3.28) (6.53) (4.05) (0.88) (0.58)
250 - 499 10.9 8.9 13.8 16.1 15.1 17.2 5.8 5.9 11.1 9.5
  (0.38) (0.37) (1.61) (1.43) (2.52) (2.82) (1.81) (2.67) (0.39) (0.36)
500 - 999 3.3 2.6 30.5 27.9 10.0 3.5 7.0 2.3 5.6 4.4
  (0.21) (0.15) (1.92) (1.35) (2.22) (0.90) (4.08) (0.89) (0.26) (0.16)
1,000+ 1.6 1.3 50.1 53.4 5.1 3.2 10.4 8.1 5.6 5.0
  (0.14) (0.11) (1.95) (1.57) (2.11) (1.13) (3.67) (2.48) (0.26) (0.19)
All trips 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0