San Diego Metropolitan Transit System
1 tracked project
| Project | State | Mode | Status | Alignment | Last Updated |
|---|---|---|---|---|---|
| San Diego Trolley Purple Line | CA | — | Planning | Proposed ~11-mile transit line from the San Ysidro Transit Center at the US-Mexico border through National City, City Heights, and Kearny Mesa to University Town Center/Sorrento Mesa; SANDAG has not yet finalized whether the corridor will be built as subway, above-ground rail, or Trolley (light rail). | Feb 9, 2026 |