California has finally changed how the transportation impacts of new development and infrastructure are measured, switching from a decades-old metric that prioritized cars to one that will favor less-polluting forms of transportation. This straightforward yet monumental change will make it easier to build healthy, dense, walkable neighborhoods and will discourage sprawl development that degrades air quality and hastens climate change.

During the last recession, homebuilding ground to a halt. We can’t let the same thing happen this time. What can be done to keep the pipeline of new housing open through this crisis and recovery? SPUR and the Terner Center offer four principles to help guide new housing construction and facilitate economic recovery.

As California and the Bay Area face the urgency of economic recovery, we must take immediate steps to address the housing affordability crisis. What if we were able to build housing the way we build other critical infrastructure: when we need it, not just when we’re in an economic boom?