“Together we’re advancing initiatives focused on creating safer, more efficient travel options for all modes of transportation, from vehicles to bicycles to pedestrians,” Dave Ambuehl, the chief deputy district director of Caltrans, said in a news release.
https://www.sfgate.com/travel/article/new-intersection-project-first-kind-bay-area-19901199.php
Criss cross crash! What about a big ass 200stories tall ramp with an elevator and a loop to loop at the bottom?