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BTS Home > Programs > Omnibus Surveys > Household Survey > 2001 > August
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Omnibus Survey
Household Survey Results
Marginal Frequency Distributions
August 2001

Section G – General Transportation Core Questions

Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0101 During July, did you drive or ride in a personal vehicle that is NOT USED as an organized carpool or vanpool?
Yes    943 181,219,575  90.29  1.126
No     95  19,487,125   9.71  1.126
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851A How many days did you use it?
Count    938 180,207,659    
Mean 25.837      25.938    
Standard deviation  8.317       0.290    
Minimum      1           1    
25th percentile     24          24    
Median     31          31    
75th percentile     31          31    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0150 During July, did you drive or ride in an organized carpool or vanpool?
Yes     56  11,625,321   5.79  0.906
No    982 189,081,379  94.21  0.906
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851B How many days did you use it?
Count     54  10,834,243    
Mean  8.907       9.514    
Standard deviation  8.811       1.260    
Minimum      1           1    
25th percentile      2           3    
Median      5           5    
75th percentile     15          16    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0301 During July, did you ride on any public transit within city or metropolitan area? Examples of public transit include a bus, train, subway, light rail, commuter bus or rail from suburb-to-city.
Yes    152  32,324,795  16.10  1.317
No    886 168,381,905  83.90  1.317
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0800A You said you did not use public transit last month. Please tell me the main reason you did not use it.
Prefer my own vehicle    431  83,794,490  50.13  1.876
I am retired/not working/not in school     19   3,247,796   1.94  0.460
Need to make multiple stops to/from work/school      3     452,208   0.27  0.158
No public transit available in the local area    253  45,325,810  27.12  1.581
Don't understand/know routes and schedules     19   3,244,935   1.94  0.485
Not convenient (doesn’t go where I need to)     93  17,890,235  10.70  1.198
Not flexible (doesn’t go when I need to)     13   3,111,268   1.86  0.614
Takes too much time      4     974,935   0.58  0.294
Distance from home to stops is too great      0           0   0.00  0.000
Uncomfortable riding with strangers      0           0   0.00  0.000
Costs too much      2     256,958   0.15  0.113
Unreliable      4     757,712   0.45  0.226
Unsafe      0           0   0.00  0.000
Health/disability/physical limitations     17   2,855,266   1.71  0.449
Other     23   5,240,388   3.14  0.783
Subtotal valid responses    881 167,152,001 100.00  
Don’t know      3     592,644    
Refused      2     637,261    
Appropriate skip    152  32,324,794    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851C You said you used public transit last month. How many days did you use it?
Count    152  32,324,795    
Mean  8.605       9.328    
Standard deviation  9.698       0.890    
Minimum      1           1    
25th percentile      2           2    
Median      3           4    
75th percentile     15          18    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0901A And of these days, how many were for business?
Count    152  32,324,795    
Mean  5.711       5.979    
Standard deviation  8.927       0.810    
Minimum      0           0    
25th percentile      0           0    
Median      1           1    
75th percentile      8          10    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0201 During July, did you ride on a city-to-city bus, such as a Greyhound?
Yes     13   3,019,215   1.50  0.472
No  1,025 197,687,485  98.50  0.472
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851D How many days did you use it?
Count     13   3,019,215    
Mean  4.923       5.921    
Standard deviation  8.291       3.280    
Minimum      1           1    
25th percentile      1           1    
Median      2           1    
75th percentile      4           8    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0901B And of these days, how many were for business?
Count     13   3,019,215    
Mean  2.846       4.140    
Standard deviation  8.533       3.410    
Minimum      0           0    
25th percentile      0           0    
Median      0           0    
75th percentile      1           1    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0251 During July, did you ride a city-to-city train, such as an AMTRAK?
Yes     25   5,348,749   2.66  0.607
No  1,013 195,357,951  97.34  0.607
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851E How many days did you use it?
Count     25   5,348,749    
Mean  2.400       2.561    
Standard deviation  2.843       0.670    
Minimum      1           1    
25th percentile      1           1    
Median      1           1    
75th percentile      2           2    
Maximum     12          12    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0901C And of these days, how many were for business?
Count     25   5,348,749    
Mean  1.080       2.157    
Standard deviation  3.068       0.710    
Minimum      0           0    
25th percentile      0           0    
Median      0           0    
75th percentile      0           0    
Maximum     12          12    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0350 During July, did you fly on a commercial airplane?
Yes    154  29,554,254  14.73  1.248
No    884 171,152,446  85.27  1.248
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851F How many days did you use it?
Count    154  29,554,254    
Mean  2.519       2.560    
Standard deviation  1.827       0.200    
Minimum      1           1    
25th percentile      2           2    
Median      2           2    
75th percentile      2           2    
Maximum     15          15    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0901D And of these days, how many were for business?
Count    154  29,554,254    
Mean  1.071       1.107    
Standard deviation  2.142       0.230    
Minimum      0           0    
25th percentile      0           0    
Median      0           0    
75th percentile      2           2    
Maximum     15          15    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0401 During July, did you fly on a charter, private, or corporate airplane or helicopter?
Yes     28   4,888,663   2.44  0.492
No  1,010 195,818,037  97.56  0.492
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851G How many days did you use it?
Count     26   4,420,469    
Mean  2.808       2.391    
Standard deviation  3.688       0.530    
Minimum      1           1    
25th percentile      1           1    
Median      2           1    
75th percentile      2           2    
Maximum     18          18    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0901E And of these days, how many were for business?
Count     26   4,420,469    
Mean  1.423       1.299    
Standard deviation  2.928       0.510    
Minimum      0           0    
25th percentile      0           0    
Median      1           1    
75th percentile      1           1    
Maximum     12          12    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0451 During July, did you drive or ride on a motorcycle, including a motorized scooter or motorized bicycle?
Yes     64  12,536,563   6.25  0.833
No    974 188,170,137  93.75  0.833
Subtotal valid responses  1,038 200,706,700 100.00  
Don’t know      0           0    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851H How many days did you use it?
Count     64  12,536,563    
Mean  5.906       5.764    
Standard deviation  6.309       0.820    
Minimum      1           1    
25th percentile      2           2    
Median      3           3    
75th percentile     10           7    
Maximum     25          25    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0500 During July, did you ride a bicycle?
Yes    252  50,123,739  24.99  1.516
No    785 150,478,990  75.01  1.516
Subtotal valid responses  1,037 200,602,729 100.00  
Don’t know      1     103,971    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851I How many days did you use it?
Count    251  49,869,776    
Mean  8.546       8.573    
Standard deviation  8.202       0.630    
Minimum      1           1    
25th percentile      3           3    
Median      5           5    
75th percentile     12          12    
Maximum     31          31    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G951A Primarily for what purpose did you use it?
Commuting to work or school      7   1,154,830   2.30  0.920
Recreation    140  27,009,672  53.89  3.506
Exercise/for my health     91  19,033,060  37.97  3.449
Personal errands     13   2,845,260   5.68  1.635
Required for my job      0           0   0.00  0.000
Some other purpose      1      80,917   0.16  0.162
Subtotal valid responses    252  50,123,739 100.00  
Don’t know      0           0    
Refused      0           0    
Appropriate skip    786 150,582,961    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G1000C And on a typical day, about how much time did you spend bicycling?
Count    251  49,935,908    
Mean  0.998       1.008    
Standard deviation  0.825       0.060    
Minimum  0.017       0.017    
25th percentile  0.5         0.5      
Median  0.75        0.75     
75th percentile      1           1    
Maximum      6           6    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G1051A Did you bicycle mostly on:
Paved roads, not on shoulder    126  25,449,199  50.77  3.495
Shoulders of paved roads     22   4,270,394   8.52  1.877
Bike lanes on roads     14   2,400,858   4.79  1.460
Sidewalks, walking paths or trails     29   5,313,381  10.60  1.983
Bike paths or trails     51  10,425,289  20.80  2.867
Unpaved roads (for example dirt, gravel, sand)      5     924,851   1.85  0.867
Grass      3     577,127   1.15  0.721
Other      2     762,640   1.52  1.229
Subtotal valid responses    252  50,123,739 100.00  
Don’t know      0           0    
Refused      0           0    
Appropriate skip    786 150,582,961    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0550 During July, did you walk, run, or jog at least one time outside for 10 minutes or more?
Yes    801 158,569,836  79.07  1.378
No    236  41,986,752  20.93  1.378
Subtotal valid responses  1,037 200,556,588 100.00  
Don’t know      1     150,112    
Refused      0           0    
Total  1,038 200,706,700    
Code and Questionnaire Item Unweighted Count/Value Weighted Count/Value Weighted Percentage Standard Error
G0851J How many days did you do this?
Count    795 157,539,317    
Mean 13.464      13.400    
Standard deviation  9.924       0.400    
Minimum      1           1    
25th percentile      5           5    
Median     10          10    
75th percentile     20          20    
Maximum     31