American Community Survey: 2005 Transportation Profile
Geographic Area1:  Washington-Baltimore-Northern Virginia, DC-MD
TABLE 1. SELECTED CHARACTERISTICS BY PLACE OF RESIDENCE, 1990, 2000, 2005
Selected Characteristics1 1990 2000 2005 ACS 2005 ACS    MOE 3
Persons in Household 6,524,604 7,400,554 7,954,699 *****4
Households   2,476,429 2,857,170 3,041,903 +/-9,225
Persons per household 2.63 2.59 2.62 *****
    Includes GQ pop Does not include GQ Pop
Total Persons 6,693,019 7,572,647 na na
Total Employed2 3,663,253 3,896,957 4,140,348 *****
Workers at Work 3,601,406 3,828,554 4,028,683 +/-20,532
Mode to work1 1990 2000 2005 ACS
Includes GQ pop Does not include GQ Pop
Number Percent Number Percent Number Percent MOE (%)
Total Workers   3,601,406 100.0 3,828,554 100.0 4,028,683 100.0   ---
Drove alone   2,379,018 66.1 2,693,816 70.4 2,836,432 70.4 +/- 0.4
2-person carpool   399,950 11.1 362,798 9.5 331,585 8.2 +/- 0.3
3-person carpool   82,516 2.3 76,893 2.0 71,822 1.8 +/- 0.1
4-person carpool   38,769 1.1 27,697 0.7 26,584 0.7 +/- 0.1
5-or-6-person carpool   15,855 0.4 12,041 0.3 11,036 0.3 +/- 0.1
7-or-more-person carpool 19,952 0.6 10,817 0.3 10,255 0.3 +/- 0.0
Bus or trolley bus   221,233 6.1 155,924 4.1 183,428 4.6 +/- 0.2
Streetcar or trolley car   2,185 0.1 2,178 0.1 3,506 0.1 +/- 0.0
Subway or elevated   152,784 4.2 176,157 4.6 213,816 5.3 +/- 0.2
Railroad   9,199 0.3 17,176 0.4 26,010 0.6 +/- 0.1
Ferryboat   77 0.0 187 0.0 55 0.0 +/- 0.0
Bicycle   8,781 0.2 9,779 0.3 12,448 0.3 +/- 0.1
Walked   139,364 3.9 114,397 3.0 99,458 2.5 +/- 0.1
Taxicab   10,379 0.3 10,205 0.3 8,105 0.2 +/- 0.0
Motorcycle   4,437 0.1 2,773 0.1 5,998 0.1 +/- 0.0
Other means   20,328 0.6 21,669 0.6 28,384 0.7 +/- 0.1
Worked at home   96,579 2.7 134,047 3.5 159,761 4.0 +/- 0.2
Travel time to work  (Universe = Workers who did not work at home)1
Workers (Did not work at home) 3,504,827 100.0 3,694,507 100.0 3,868,922 100.0   ---
Less than 5 minutes 68,483 2.0 61,310 1.7 75,161 1.9 +/- 0.1
5 to 9 244,425 7.0 223,691 6.1 225,413 5.8 +/- 0.2
10 to 14 386,038 11.0 368,819 10.0 368,612 9.5 +/- 0.3
15 to 19 470,234 13.4 455,294 12.3 482,589 12.5 +/- 0.3
20 to 29 713,373 20.4 727,849 19.7 739,436 19.1 +/- 0.4
30 to 44 865,699 24.7 919,820 24.9 955,724 24.7 +/- 0.5
45- 59 406,568 11.6 460,692 12.5 470,217 12.2 +/- 0.3
60 or more 350,007 10.0 477,032 12.9 551,770 14.3 +/- 0.3
Mean travel time (minutes) 28.2 (X) 31.8 (X) 31.9 (X) +/- 0.33
           
Departure Time to  Work1
Workers (Did not work at home) 3,504,827 100.0 3,694,507 100.0 3,868,922 100.0   ---
5:00 - 5:59 a.m. 258,693 7.4 295,322 8.0 375,008 9.7 +/- 0.3
6:00 - 6:59 a.m. 733,501 20.9 719,004 19.5 771,750 19.9 +/- 0.4
7:00 - 7:59 a.m. 1,066,572 30.4 1,092,504 29.6 1,011,279 26.1 +/- 0.4
8:00 - 8:59 a.m. 705,373 20.1 740,887 20.1 752,009 19.4 +/- 0.4
9:00 - 10:59 a.m. 270,749 7.7 334,688 9.1 389,524 10.1 +/- 0.3
11:00 a.m. - 3:59 p.m. 211,758 6.0 221,324 6.0 227,263 5.9 +/- 0.2
4:00 p.m. - 4:59 a.m. 258,181 7.4 290,778 7.9 342,089 8.8 +/- 0.3
Notes:
1. Please read notes.htm
2. Total Employed includes Civilian Employed and those working in the Armed Forces.
3. MOE: Margin of Error.  Please see notes.htm.  MOE could not be calculated for Total Employed.
4. ***** Cannot be calculated.
Sources: U.S. Census Bureau - 1990 STF1, 1990 STF3, 2000 SF1, 2000 SF3, 2005 ACS.
American Community Survey: 2005 Transportation Profile
Geographic Area1:  Washington-Baltimore-Northern Virginia, DC-MD
TABLE 2.  MODE TO WORK BY TRAVEL TIME, 2000 & 2005
(Universe = Workers who did not work at home)2
  Mean travel time (mins.) Total Less than 10 minutes 10 to 19 minutes 20 to 29 minutes 30 to 44 minutes 45 -59 minutes 60/more minutes
Total   2000 31.8 3,694,500 284,990 824,100 727,850 919,840 460,689 477,015
2005 31.9 3,868,922 300,574 851,201 739,436 955,724 470,217 551,770
2005 MOE +/-0.33 +/-19,778 +/-8,988 +/-16,890 +/-16,441 +/-19,996 +/-12,741 +/-13,527
Drove alone  2000 29.8 2,693,820 201,760 651,920 579,650 676,875 310,320 273,235
2005 29.8 2,836,432 216,326 688,490 592,922 701,007 322,240 315,447
2005 MOE +/-0.39 +/-21,318 +/-7,721 +/-15,078 +/-14,305 +/-16,420 +/-9,457 +/-10,691
2-person carpool 2000 32.7 362,795 23,788 78,100 68,830 91,874 49,163 50,974
2005 32.0 331,585 24,884 73,401 60,497 83,568 39,028 50,207
2005 MOE +/-1.74 +/-12,264 +/-3,124 +/-5,172 +/-4,964 +/-5,855 +/-3,754 +/-4,094
3+ carpool 2000 41.1 127,455 4,890 17,293 16,954 34,167 23,564 30,584
2005 40.1 119,697 4,698 17,255 18,375 31,603 17,593 30,173
2005 MOE +/-4.19 +/-8,610 +/-1,385 +/-3,305 +/-3,308 +/-4,595 +/-2,551 +/-2,993
Bus or trolley bus 2000 47.2 155,930 2,458 14,750 19,333 42,276 26,676 50,352
2005 48.2 183,428 2,873 14,272 18,969 48,975 31,843 66,496
2005 MOE +/-3.59 +/-9,040 +/-1,028 +/-2,648 +/-2,514 +/-5,026 +/-3,465 +/-5,944
All other transit3 2000 48.3 195,702 618 6,568 21,245 58,396 45,886 62,980
2005 48.7 243,387 918 7,695 25,618 72,085 54,785 82,286
2005 MOE +/-2.39 +/-8,223 +/-634 +/-1,551 +/-2,719 +/-5,134 +/-4,969 +/-4,887
All other modes4 2000 19.6 158,830 51,456 55,481 21,770 16,176 5,014 8,923
2005 18.6 154,393 50,875 50,088 23,055 18,486 4,728 7,161
2005 MOE +/-1.67 +/-7,559 +/-4,429 +/-4,177 +/-2,820 +/-2,614 +/-1,232 +/-1,335
TABLE 2.  MODE TO WORK BY TRAVEL TIME, PERCENT OF WORKERS, 2000 and 2005
(Universe = Workers who did not work at home)
Percent of Workers   Mean travel time (mins.)1 Total Less than 10 minutes 10 to 19 minutes 20 to 29 minutes 30 to 44 minutes 45 -59 minutes 60/more minutes
Total   2000 31.8 100.0 7.7 22.3 19.7 24.9 12.5 12.9
2005 31.9 100.0 7.8 22.0 19.1 24.7 12.2 14.3
2005 MOE +/-0.33 ***** +/-0.5 +/-0.5 +/-0.5 +/-0.5 +/-0.5 +/-0.5
Drove alone  2000 29.8 100.0 7.5 24.2 21.5 25.1 11.5 10.1
2005 29.8 100.0 7.6 24.3 20.9 24.7 11.4 11.1
2005 MOE +/-0.39 ***** +/-0.8 +/-0.7 +/-0.7 +/-0.7 +/-0.8 +/-0.8
2-person carpool 2000 32.7 100.0 6.6 21.5 19.0 25.3 13.6 14.1
2005 32.0 100.0 7.5 22.1 18.2 25.2 11.8 15.1
2005 MOE +/-1.74 ***** +/-3.7 +/-3.7 +/-3.7 +/-3.7 +/-3.7 +/-3.7
3+ carpool 2000 41.1 100.0 3.8 13.6 13.3 26.8 18.5 24.0
2005 40.1 100.0 3.9 14.4 15.4 26.4 14.7 25.2
2005 MOE +/-4.19 ***** +/-7.2 +/-7.2 +/-7.2 +/-7.1 +/-7.2 +/-7.2
Bus or trolley bus 2000 47.2 100.0 1.6 9.5 12.4 27.1 17.1 32.3
2005 48.2 100.0 1.6 7.8 10.3 26.7 17.4 36.3
2005 MOE +/-3.59 ***** +/-4.9 +/-4.9 +/-4.9 +/-4.9 +/-4.9 +/-4.8
All other transit3 2000 48.3 100.0 0.3 3.4 10.9 29.8 23.4 32.2
2005 48.7 100.0 0.4 3.2 10.5 29.6 22.5 33.8
2005 MOE +/-2.39 ***** +/-3.4 +/-3.4 +/-3.4 +/-3.3 +/-3.3 +/-3.3
All other modes4 2000 19.6 100.0 32.4 34.9 13.7 10.2 3.2 5.6
2005 18.6 100.0 33.0 32.4 14.9 12.0 3.1 4.6
2005 MOE +/-1.67 ***** +/-4.8 +/-4.8 +/-4.9 +/-4.9 +/-4.9 +/-4.9
Notes:
1. Please read notes.htm
2. ACS did not include group quarter population.  For more information, please read notes.htm
3. Includes streetcar/trolley car, subway/elevated, railroad, and ferryboat.
4. Includes bicycle, walk, motorcycle, taxicab, or other means.
SSS: Not shown because weighted total by mode is less than 500.
***** Cannot be calculated.