Along Oak and Fell, the planners suggested an underground road running more than  from Laguna to Divisadero streets. However, the roads would violate the long-standing general plan for San Francisco, which calls for no new highway capacity. In March 2015, this proposed route was adopted by the California Transportation Commission (CTC).
A proposed underground road stretching over  from Laguna to Divisadero streets was suggested along Oak and Fell. However, the roads would conflict with the long-standing urban planning vision for San Francisco, which emphasizes no new highway development. In March 2015, this route was approved by the California Transportation Commission (CTC).