Brisco Road Interchange Project

On November 22, 2016, the Arroyo Grande City Council approved the conclusion of the Test Closure of the Brisco Road at US 101 northbound on and off-ramps and directed the opening of the ramps in coordination with Caltrans.  View Press Release.

The Brisco Road-Halcyon Road/US 101 Interchange project has been underway 
since the late 1990's. Currently the project is in the Project Approval and Environmental 
Determination (PA&ED) phase with three project alternatives under review, as highlighted below: 

The First Alternative:

  • Closes the northbound on and off-ramps at Brisco Road and US 101
  • Completes intersection improvements Camino Mercado and US 101
  • Completes intersection improvements at Grand Ave and US 101
  • Completes bridge widening on Grand Ave
  • Estimated cost $14,000,000
  • 1st Alternative
  • Undercrossing Exhibit
The Second Alternative:

  • Relocates the northbound ramps at Brisco to West Branch Street at Rodeo Drive
  • Completes intersection improvements at Grace Lane and Rodeo Drive
  • Complete intersection improvements at Grand Ave and US 101
  • Estimated cost $23,000,000
  • 2nd Alternative

The Third Alternative:

  • No build

Your continued input on the project is valued, let us know your thoughts at brisco@arroyogrande.org.


Brisco Interchange Project FAQs

View All
  1. When will the Brisco Road on and off-ramps be reopened?
  2. What is the Brisco Interchange Project?
  3. What is the City of Arroyo Grande responsible for regarding the Brisco Interchange Project?
  4. What is the current timeline for the Brisco Interchange Project?
  5. What are the current design alternatives being proposed?
  6. Why are the Brisco Road on and off-ramps closed?
  7. What role does Cal Trans have regarding the Temporary Closure?
  8. What role does the City of Arroyo Grande have regarding the Temporary Closure?
  9. Why is the closure of the Brisco Road on and off-ramps temporary?
  10. Why was the temporary closure initially extended?
  11. Will the Brisco Road on and off-ramps be reopened?
  12. Is the Cal Trans Brisco Interchange Project approval related to the temporary closure of the Brisco ramps?
  13. Can just one of the ramps at Brisco Road be opened?