Introduction
The Interstate 5 (I-5) corridor in North County is one of the most frequently traveled freeways in San Diego County. I-5 has many unique features including six lagoons, world-renowned coastal cities and unparalleled beaches. By the year 2030, the number of vehicles using I-5 daily is expected to nearly double.

To help improve the quality of life and address the increasing number of motorists on I-5, the California Department of Transportation (Caltrans) and the San Diego Association of Governments (SANDAG) are proposing a number of projects intended to reduce congestion. In this web site you will find information about the proposed projects. The information is updated as quickly as possible, so please check back frequently. For the most recent developments in both planning and implementation of improvements see the section that follows.

I-5/Lomas Santa Fe Interchange Project
Click the link below to download a PDF containing information about important upcoming travel impacts and construction starting July 25, 2008.

I-5/Lomas Santa Fe Interchange Project Information


I-5/SR-56 Interchange Project
For information presented at the community open house held on June 26, 2008 for the I-5/SR-56 interchange project, click the link below to access a fact sheet and presentation materials.

I-5/SR-56 Interchange Project Information