Planners, lenders, and most consumers traditionally measure housing affordability as 30 percent or less of income. The Housing + Transportation Affordability Index, in contrast, takes into account not just the cost of housing, but also the intrinsic value of place, as quantified through transportation costs.
From the Housing + Transportation Affordability Index, developed by CNT and the Center for Transit Oriented Development (CTOD), in an effort to accurately measure the true affordability of housing.
