USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table B9 Distribution of Pre- and Post-9/11 Long-Distance Trips by Mode, for Each Age Group

Thursday, December 29, 2011

Table B9 Distribution of Pre- and Post-9/11 Long-Distance Trips by Mode, for Each Age Group

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.

Excel | CSV

Age group Personal vehicle Air Bus Other All modes
Pre Post Pre Post Pre Post Pre Post Pre Post
0 - 24 89.6 90.0 6.2 4.1 4.0 4.7 0.2 1.2 100.0 100.0
  (0.62) (0.84) (0.47) (0.37) (0.39) (0.37) (0.08) (0.54)    
25 - 54 88.7 89.0 9.1 8.8 0.9 1.1 1.3 1.2 100.0 100.0
  (0.64) (0.53) (0.53) (0.41) (0.16) (0.16) (0.23) (0.26)    
55 - 64 90.0 90.9 8.0 6.2 1.4 1.8 0.7 1.1 100.0 100.0
  (1.08) (0.89) (0.89) (0.51) (0.48) (0.48) (0.18) (0.46)    
65 - 74 86.7 92.3 5.7 3.9 6.3 2.9 1.3 0.9 100.0 100.0
  (2.88) (0.96) (1.19) (0.54) (2.90) (0.64) (0.42) (0.24)    
75 + 84.6 89.4 6.3 6.4 8.4 3.7 0.7 0.5 100.0 100.0
  (1.90) (1.41) (1.29) (1.13) (1.57) (0.86) (0.34) (0.26)    
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) (0.21) (0.15) (0.13) (0.20)