Sponsored by T4American and a broad range of organizations: Transportation is crucial to ensuring opportunity for all – connecting us to jobs, schools, housing, healthcare, and grocery stores. But millions of working families and people of color live in communities where quality transportation options are unaffordable, unreliable, or nonexistent. The type of transportation system we…

Update: I am mortified. In the comments, Michael has identified a methodological error in the way I analyzed proximity to a regional center (downtown is after all, also a regional center). But in the process of re-computing those numbers, I discovered a computation error in my calculations for the system center, so both new correlation…

Yesterday I noted that the ACS 5-year/Census block group demographic correlations were significantly lower than the 2000 Census tract correlations. So let’s look at the differences: Different (newer) data Different areas – we included all Census tracts that touched any part of the service district, while we only used block groups that were substantially inside…

You’ll recall that back in October we did our first correlation between Transit Score and several demographic factors, based on the 2000 Census. We came up with the following correlation coefficients: Transit Score/Density: 0.67 (1.00 would be perfect correlation) Transit Score/Percent non-white: 0.40 Transit Score/Median 1999 Household Income: -0.52 Based on that, we set two…