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Maps of the Month in 2008

July 2008

The map of the month depicts traffic collisions per square mile in 2006. The Statewide Integrated Traffic Records System (SWITRS) processes all reported fatal and injury collisions which occurred on California's state highways and all other roadways, excluding private property. During 2006, the Bay Area had over 89,000 traffic collisions of which 458 were fatal (up 4% from 2005), and 31,049 involved injuries (down 7% from 2005). Out of the 493 fatal collisions that occurred in the region, 119 pedestrians and 23 bicyclists were killed. The top three cities with a fatal collision involving a pedestrian were, not surprisingly, the three largest: San Jose (19), San Francisco (19), and Oakland (14).

June 2008

According to the Metropolitan Policy Program at the Brookings Institution, some of the largest metropolitan areas had among the lowest carbon emissions per capita from transportation and residential energy use in 2005. However, metropolitan carbon footprints vary widely, based on determining factors such as population density, the availability of public transit, the carbon intensity of electricity generation, the price of electricity and the weather, as shown on the map.

May 2008

This map depicts goods movement related land uses that are at risk of conversion to a non-goods movement supporting land use. The data is based upon the Goods Movement Land Use Study, which examines planned land use changes in several key corridors that support goods movement in the nine-county San Francisco Bay region. This map indicates, that within the Goods Movement Study corridors, about 116,000 acres of goods movement related land uses are a risk of conversion to a non-goods movement related land use.

April 2008

This map depicts the projected share of transit-using households by travel analysis zone in the year 2035. Transit-using households are estimated using Bay Area travel survey data, where persons are reporting one-or-more transit trips on a selected weekday. The total number of transit-using households in the region is projected to be 24% in 2035, or 804,500 out of 3,292,500 total households. San Francisco has the highest share of transit-using households, at 55%, while Alameda County has the highest total number of transit-using households, at 244,100 (35% of total households in the county).

March 2008

This map depicts several county-wide self-help sales tax measures in the Bay Area and in two surrounding counties. Expenditures are categorized by four spending groups based on mode of travel:

  1. Public transit, including both fixed routes and paratransit;
  2. Highway and street improvements;
  3. Local streets and roads, rehabilitation; and
  4. Miscellaneous, including all other projects such as Transportation for Livable Communities, Pedestrian and Bicycle, Safe Routes to School, etc.

The surrounding counties of San Joaquin and Sacramento are included for reference and comparison purposes, although they are not within MTC’s jurisdiction.

February 2008

This map depicts the morning peak period commute shed for major employment centers within the nine county Bay Area. MTC’s analysis of the 2006 employment statistics, as reported by the Employment Development Department (EDD), indicates that there are approximately 1,648,000 employees working in or near a major bay area employment center. These areas represent approximately 47% of the region’s total employment. Within this morning peak period commute shed, there are approximately 5.6 million people that live within 15 minutes driving time of one of the 38 major employment centers. There are an additional 644,000 that live within 30 minutes of an employment center, and another 458,000 live within the 30-60 minute commute shed.

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