When fires swept through the wealthy L.A. enclave known as the Pacific Palisades, the images were chaotic: cars abandoned on Sunset Boulevard, people fleeing on foot. A bulldozer had to plow through the traffic just so firefighters could reach the flames.

Planners and researchers recognize the dangers of evacuating thousands at a moment’s notice and argue that our streets urgently need to be redesigned.

“In the event of a climate disaster, we can't always count on our cars to protect us,” notes Maylin Tu, Next City's L.A.-based Equitable Cities Reporting Fellow for Social Impact Design. “You kind of get a sense of safety and .. insularity in being in a car and feeling like you are not only mobile, but you're safe and you're protected. And this really kind of brought home that in a, in the case of some climate disasters, like your car is not going to save you.”

Tu recently covered UCLA urban planning professor Adam Millard-Ball's recent research on street connectivity in Los Angeles. He and other transportation planning experts hope rebuilding is an opportunity to rethink how L.A.'s streets work.

“If all the traffic that's coming out has to flow through one or two intersections, that's a recipe for chaos in a emergency situation,” says Adam Millard-Ball, a professor of urban planning at UCLA and director of the UCLA Institute of Transportation Studies. “This is not what the streets were built for.”