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South Santa Fe Avenue Road Realignment Project

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UPDATE: Project Complete!

South Santa Fe Avenue (SSFA) is now a four-lane roadway that runs parallel to State Route 78 and connects the cities of Vista and San Marcos. The recently completed SSFA Improvement Project not only transformed a two-lane roadway into four lanes of efficient travel, it also brought the road segment into compliance with the county’s General Plan Update. It made numerous other improvements ranging from  drainage to underground placement of utility lines.

South Santa Fe work

The SSFN project included the improvement of a 0.7-mile segment between Montgomery Drive and 700 feet east of Woodland Drive and widened the roadway from two lanes to four, adding approximately 1.8 new lane-miles of traveled  roadway. It included drainage improvements to capture and route storm water runoff, sidewalks and bicycle lanes on both sides of the new roadway, improvements to existing water and sewer lines, and the reconstruction of a new roadway centerline. Overhead utility lines were also removed and placed underground adding to the aesthetic appeal of the area. And for increased safety, the railroad crossing was moved to a newly constructed four-way intersection of South Santa Fe Avenue and Woodland and York Drives.

The $14.2 million in construction costs for SSFN was funded by TransNet (sales tax revenues), Transportation Impact Fees, and Prop 1B bonds approved by the voters in 2006.

The SSFN project was divided into seven phases of construction to maximize safety, efficiency and quality. The first phase began in March 2010; and final paving of the last section was completed in January 2013. 


The widening of South Santa Fe Avenue between the City of Vista and Robelini Drive has reduced traffic delays and greatly improved vehicular and pedestrian traffic flow. More efficient traffic movement helps to minimize environmental impacts and improve air qualityroad construction


Public safety is paramount in the design, during construction, and  in the day-to-day vehicular and pedestrian use of any road improvement project. Throughout all phases of construction every effort was made to maintain traffic flow and above all – safety. Flagmen and construction signage was continuously used to ensure safe and steady traffic flow through the construction zones. As is our practice with any major road project, updates and other bulletins concerning detours and safety advisories were also  posted on this webpage, as well as the DPW Facebook and Twitter pages - all linked from the DPW web site.


Whenever you encounter any roadway construction project, or other effort involving DPW crews clearing or maintaining our County roadways, please slow down and comply with any posted signage and the directions of flagmen working to make your commute through the area as expedient as possible and to keep us ALL safe.


 South Santa Fe Road Improvement Project aerial view

The South Santa Fe Road Improvement Project is another example of DPW - Working For You.

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