May 18, 2012 - Draft EIR/EIS released

June 13, 2012 - Public meeting on I-5/SR 56 Interchange Project

July 17, 2012 - Public comment period closed

Summer 2017 - Final EIR/EIS released

Summer 2023 – Phase 1 begins

Phase 1 will construct an HOV Operational lane in each direction on SR 56 between El Camino Real and Gonzales Creek Bridge.

Phase 2: Build a direct connector from westbound SR 56 to northbound I-5, replace and enhance the Del Mar Heights Road overcrossing, and construct an additional westbound lane on SR 56.

Phase 2 is currently unfunded. 

The project schedule is consistent with the 2050 SANDAG Regional Transportation Plan.


The total project cost is $294 million. The project is anticipated to begin in 2023.
ncc home homepage