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San Francisco Bay ~\rea Draft Regional Housing Needs i\llocation, 4th Revision investments for public transportation. Inclusion of planned stations gives communities that will have new transit stations an opportunity to ensure that they plan sufficient housing to support the extension of transit services. In addition, given the long time-frame for implementation of service extensions, it makes sense to begin the land use planning around proposed stations before the transit stations are put in place. This is in support of both state and regional policies to ensure efficient use of transportation infrastructure and to encourage increased transit use. There is a multitude of data supporting the theory that higher population densities have a net positive impact on transit ridership. The HMC was divided in its support for including a transit, and particularly planned transit, as part of the allocation methodology. Many of the committee members believed that the regional growth policies embedded in Projections sufficiently addressed both state and regional policies promoting transit use and efficient use of transportation infrastructure. It was felt by some members that having transit as a direct factor would give too much weight to transit and would also unfairly burden communities with both existing and planned transit. Planned transit was also contentious because some of the planned transit stations included in MTC's Regional Transportation Plan may not be built, including many of the e-BART stations planned for eastern Contra Costa County. However, others on the HMC felt that if housing is built at appropriate densities before transit is put in place, the transit investment may become more financially feasible, for projected ridership would be higher. D. The Allocation Formula The household growth, employment and transit factors are weighted together to create an allocation formula. Each factor describes a jurisdiction's "share" of a regional total. For example, if the region expects to grow by ] 00 households, and one city in the region is to grow by 10 households in the same period, then that city's "share" of the region's growth is 10 percent. A jurisdiction's share of the Regional Housing need is assigned according to its percentage share of regional: (Honsehold Growth x .40) + (Employment Growth x .20) + (Existing Employment x .20) + (Household Growth near Transit x .10) + (Employment Growth near Transit x .10) Growth is during the RHNA planning period (2007 - 2014). The transit factors refer to growth that occurs within Y, mile of planned or existing fixed transit stations in the jurisdiction. Planned stations are those in the RTP 2005 - Track]. 2. Regional Allocations of Housing Units hased on Affordahility There are two primary goals of the RHNA process: I) increase the supply of housing and 2) ensure that local governments consider the housing needs of persons at all income levels. The HMC recommends that each local jurisdiction should plan for income-based housing in the same ratio as the regional average income distribution (as described by the 2000 Census). A methodology that allocates each jurisdiction's regional housing need based on the regional average income distribution would be an "equal share" approach because it applies the same income distribution to each jurisdiction. Although considered an equitable approach, it does not consider existing concentrations of poverty. November 2006, Page 11