Caltrans and regional crews plan to start construction Monday on the Batiquitos Lagoon Double Track project.
The project will add nearly a mile of new double track between the cities of Encinitas and Carlsbad and replace an 80-year-old wooden trestle bridge with a new modern, concrete double-track bridge designed to improve tidal flow for local wildlife.
Currently, the existing single track creates a bottleneck for trains traveling through the Los Angeles-San Diego-San Luis Obispo (LOSSAN) corridor, resulting in frequent travel delays for both passenger and freight trains…