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Map of the Month

December 2005: Resolution 3434 and Racial Diversity

This map depicts racial diversity in the San Francisco Bay Area in 2000 with an overlay showing major transit expansion projects according to the MTC Resolution 3434 Transit Expansion Program. Racial diversity is measured by a diversity index that is calculated using US Census racial and ethnic population characteristics from the PL-94 data file. The diversity index is based on five racial/ethnic groups: Hispanic/Latino, white (not Hispanic/Latino), black (not Hispanic/ Latino), Asian or Pacific Islander (not Hispanic/Latino), and other races (American Indian, Alaska Native, some other race, or two or more races). An index value was calculated for each Census Block Group that ranges on a continuous scale from no diversity (one group has a 100% share of the population) to total diversity (all five groups have equal share of the population).

November 2005: Freeway Service Patrol

This map depicts the volume of traffic incidents handled by our Freeway Service Patrol tow trucks. The more heavily traveled routes have more incidents – although the Peninsula freeways appear to fare better than those in the East Bay.

October 2005: Sales Tax Expenditure by Category

This map depicts several county-wide self-help sales tax revenues in the Bay Area. Expenditures are categorized by four spending groups:

  1. Public Transit, including both fixed routes and paratransit
  2. Highways and Streets
  3. Local streets and roads, including the allocation to local jurisdictions
  4. Miscellaneous, including all other projects such as Transportation for Livable Communities, Pedestrian and Bicycle, Safe Routes to School, etc.

September 2005: Regional Transit Connectivity

The Regional Transit Connectivity Map illustrates the network of transit hubs identified through the Regional Transit Connectivity Study currently underway. The purpose of the study is to identify barriers that may impede the transit experience of persons using more than one transit operator for a single trip, and to recommend strategies to address those gaps. As a first step, project participants identified a regional network of 21 transit hubs--those places where most transfers between operators occur. The consultant team then selected five “prototype” hubs for a comprehensive on-site evaluation as a basis for developing recommended improvements in customer information, schedule coordination, hub amenities, improved shuttle or other “last mile” services, and way finding signage.

June 2005: 511 Driving Times

This map shows the phased roll-out for the “driving times” feature of the 511 traveler information system. The third phase will be in place by November 2005 when the region hosts the ITS World Congress in San Francisco.

May 2005: Transit Commuting in the U.S.

This map shows the change in the market share of transit commuters for the 36 largest metropolitan areas from the 1990 to 2000 Census. There were sizable losses of transit market share in several East Coast and Midwestern regions, as well as gains in New England and West Coast locales. The San Francisco Bay Area had the 3 rd largest gain in transit commuting of all the areas.

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