TRANSACTIONS ONLINE

January/February 2005

Facts & Figures

Daily Freeway Delay by Bay Area County, 1999–2003

Freeway Miles		Daily (Weekday) Vehicle Hours of Delay					Percent Change
2003		1999	2000	2001	2002	2003	2002–2003	1999–2003
Alameda	138	44,300	61,700	65,600	61,300	46,300	–24%	+5%
Contra Costa	87	14,500	16,200	18,800	19,400	18,700	–4%	+29%
Marin	28	7,700	9,900	7,900	8,400	6,200	–26%	–19%
Napa	5	0	0	0	0	0	0%	0%
San Francisco	19	9,100	12,500	8,500	11,400	11,200	–2%	+23%
San Mateo	73	11,500	18,100	10,900	7,700	7,300	–5%	–37%
Santa Clara	137	36,900	51,700	37,000	31,600	24,300	–23%	–34%
Solano	79	700	3,200	2,400	3,700	2,600	–30%	+271%
Sonoma	55	3,600	4,300	4,400	4,400	5,200	+18%	+44%
Bay Area Totals	621	128,300	177,600	155,500	147,900	121,800	–18%	–5%

Reflecting the region’s economic upheaval of the past several years, the statistics show a steady shift in the concentration of traffic congestion since 1999, with the South Bay and Peninsula accounting for an increasingly smaller share of the area’s gridlock. Source: Caltrans District 4

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