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Carlsbad Village Double Track

The project will add 1.1 miles of second main railroad track from southern Oceanside to Carlsbad Village. When linked to double-tracked segments on either end of the project, the result will be a continuous 8.6-mile stretch  of double track to improve passenger and freight operations in the LOSSAN rail corridor.

The project includes the construction of a new double track rail bridge across the Buena Vista Lagoon; improvements to the Carlsbad Village Station, which serves the COASTER commuter train and the BREEZE bus line; construction of a pedestrian underpass beneath the new station double track; safety improvements to two grade-level crossings at Grand Avenue and Carlsbad Village Drive; and upgrading of signaling and safety equipment.

Modernization of the aging rail bridge over the Buena Vista Lagoon is expected to improve conditions in the lagoon. SANDAG has conducted a separate environmental study on the potential enhancement of the lagoon. The primary purpose of this project is to eliminate a single track bottleneck at Carlsbad Village Station by connecting the 1.1-mile second main track to double track segments at both ends of the project. Currently, trains must wait at a siding whenever a COASTER train is loading or unloading passengers at the Carlsbad Village Station. Additionally, meeting or passing trains must take turns using the single track, which reduces operational flexibility and results in cascading delays.