So far, NCTD and SANDAG have added a second set of tracks to more than three-quarters of the 60-mile corridor between downtown San Diego and the Orange County border. The remaining sections of single ...

stopping at the San Diego Convention Center and Santa Fe Depot Amtrak train station, but its network doesn't go to too many neighborhoods beyond that. The bus routes cover much more ground ...

In the city of Del Mar, near San Diego, most agree the train tracks must move off eroding bluffs. But debate over its new route has stalled the project while climate change raises the risks.