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Carlsbad Double Track
Carlsbad, California

This project is located within the city of Carlsbad on North County Transit District (NCTD) right-of-way and, in general, consists of constructing two miles of double track and a 200-foot-long bridge over the Agua Hedionda Lagoon, retaining walls, modifications to two existing public road crossings and one private road crossing, grading and drainage improvements, utility investigation and design of utility casing extensions, signal modifications, and environmental permitting. 

J.L. Patterson & Associates developed and delivered the design plans, specifications, and engineer’s estimate, and recently completed the design support services while the project was under construction.

Services Provided
  • Engineering Design
  • Construction Support Services