Public Transit and density multipliers getting more study, with amazing economic benefits

Density and moving people around in density is the most critical innovation and economic enabler. The city is technology, and a force multiplier. So is transit:

“Every time a metro area added about 4 seats to rails and buses per 1,000 residents, the central city ended up with 320 more employees per square mile — an increase of 19 percent. Adding 85 rail miles delivered a 7 percent increase. A 10 percent expansion in transit service (by adding either rail and bus seats or rail miles) produced a...