CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)
Geographic Area: Working in Manassas City, Virginia
TABLE 1. SELECTED CHARACTERISTICS BY PLACE OF WORK, 1990 and 2000
Selected Characteristics (Universe: All Workers)		1990		2000		Change 1990 to 2000
Selected Characteristics (Universe: All Workers)		Number	Percent	Number	Percent	Number	Percent
Workers 16 years or over		16,136	100	17,790	100	1,654	10.3
Sex
Male		9,137	56.6	9,660	54.3	523	5.7
Female		6,999	43.4	8,130	45.7	1,131	16.2
Mode to work
Drove alone		12,960	80.3	14,500	81.5	1,540	11.9
2-person carpool		1,618	10.0	1,665	9.4	47	2.9
3-or-more-person carpool		651	4.0	685	3.9	34	5.2
Bus or trolley bus		47	0.3	30	0.2	-17	-36.2
All other transit¹		16	0.1	15	0.1	-1	-6.3
Bicycle or walked		243	1.5	320	1.8	77	31.7
Taxicab, motorcycle, or other mode		208	1.3	154	0.9	-54	-26.0
Worked at home		393	2.4	430	2.4	37	9.4
Travel time to work (Universe = Workers who did not work at home)
Less than 5		374	2.4	390	2.2	16	4.3
5 to 9		2,226	14.1	1,855	10.7	-371	-16.7
10 to 14		3,187	20.2	2,725	15.7	-462	-14.5
15 to 19		2,259	14.3	2,600	15.0	341	15.1
20 to 29		2,630	16.7	2,710	15.6	80	3.0
30 to 44		2,754	17.5	3,295	19.0	541	19.6
45- 59		1,137	7.2	1,815	10.5	678	59.6
60 or more		1,176	7.5	1,970	11.3	794	67.5
Mean travel time (minutes)		23.0	(X)	28.4	(X)	5.4	(X)
Median travel time (minutes)		19.6	(X)	20.6	(X)	1.0	(X)

TABLE 2. MODE TO WORK BY TRAVEL TIME, 2000
(Universe = Workers who did not work at home)
	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 or more minutes
Total	28.4	17,360	2,245	5,325	2,710	3,295	1,815	1,970
Row percent		100	12.9	30.7	15.6	19.0	10.5	11.3
Column percent		100	100	100	100	100	100	100
Drove alone	26.6	14,500	1,920	4,545	2,450	2,845	1,375	1,370
Row percent		100	13.2	31.3	16.9	19.6	9.5	9.4
Column percent		83.5	85.5	85.4	90.4	86.3	75.8	69.5
2-person carpool	33.8	1,665	190	405	220	255	285	300
Row percent		100	11.4	24.3	13.2	15.3	17.1	18.0
Column percent		9.6	8.5	7.6	8.1	7.7	15.7	15.2
3+ carpool	49.8	685	55	155	19	103	120	229
Row percent		100	8.0	22.6	2.8	15.0	17.5	33.4
Column percent		3.9	2.4	2.9	0.7	3.1	6.6	11.6
Bus or trolley bus	84.8	30	0	0	0	14	4	10
Row percent		100	0.0	0.0	0.0	46.7	13.3	33.3
Column percent		0.2	0.0	0.0	0.0	0.4	0.2	0.5
All other transit¹	112.0	15	0	0	0	0	0	15
Row percent		100	0.0	0.0	0.0	0.0	0.0	0.0
Column percent		0.1	0.0	0.0	0.0	0.0	0.0	0.8
Bicycle or walked	19.7	320	80	135	19	40	25	24
Row percent		100	25.0	42.2	5.9	12.5	7.8	7.5
Column percent		1.8	3.6	2.5	0.7	1.2	1.4	1.2
All other modes¹	36.6	154	4	85	0	30	4	19
Row percent		100	2.6	55.2	0.0	19.5	2.6	12.3
Column percent		0.9	0.2	1.6	0.0	0.9	0.2	1.0
Notes:
1. See notes1.htm
2. Workers-at-work shown here differs from local employment in many ways. For more information, please read notes2.htm

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)
Geographic Area: Working in Manassas City, Virginia
TABLE 3. MODE TO WORK BY VEHICLES AVAILABLE IN HOUSEHOLDS
Mode to Work (Universe = Workers living in households)				Workers living in households…
Mode to Work (Universe = Workers living in households)				Total	Without a vehicle	With 1 vehicle	With 2+ vehicles
Total				17,745	630	3,120	13,995
Drove alone				14,470	260	2,345	11,865
2-person carpool				1,665	140	375	1,150
3-or-more-person carpool				670	85	155	425
Bus or trolley bus				30	4	4	20
Streetcar, trolley car, subway, or elevated, Railroad or Ferryboat				15	0	15	0
Bicycle or walked				320	125	70	130
Taxicab, motorcycle or other means				145	20	75	55
Worked at Home				430	0	80	350

TABLE 4. SEX OF WORKER BY INDUSTRY¹ AND OCCUPATON¹
(Universe = All Workers)				All Workers	Sex
(Universe = All Workers)				All Workers	Male	Female
Workers 16 years and over				17,790	9,660	8,130
Industry
Agriculture, forestry, fishing and hunting and mining				15	10	4
Construction				1,800	1,630	170
Manufacturing				2,860	2,040	820
Wholesale trade				265	205	60
Retail trade				1,775	995	780
Transportation and warehousing and utilities				830	640	190
Information				540	300	240
Finance, insurance, real estate and rental and leasing				800	315	485
Profess., scientific, management, administrative, waste management				2,145	1,305	840
Educational, health and social services				3,795	570	3,225
Arts, entertainment, recreation, accommodation and food services				600	290	310
Other services (except public administration)				1,140	620	525
Public administration				1,185	705	480
Armed forces				30	30	0
Occupation
Management				1,740	1,130	610
Farmers and farm managers				0	0	0
Business and financial operations specialists				830	425	405
Computer and mathematical				975	740	230
Architecture and engineering				920	850	70
Life, physical and social science				75	60	15
Community and social service				340	160	180
Legal				210	110	100
Education, training and library				1,085	160	925
Arts, design, entertainment, sports and media				210	120	90
Healthcare practitioners and technicians				1,275	305	970
Healthcare support				265	10	255
Protective service				590	485	110
Food preparation and serving related				515	220	295
Building and grounds cleaning and maintenance				385	215	170
Personal care and service				480	50	430
Sales and related				1,430	770	665
Office and administrative support				2,590	530	2,060
Farming, fishing, and forestry				15	10	4
Construction and excavation				1,295	1,250	45
Installation, maintenance and repairs				730	700	35
Production				915	570	345
Transportation and material moving				900	775	125
Armed Forces				20	20	0