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Sand Canyon Road Closure

Click the image above to see our recommended alternative route to the Great Park

Sand Canyon Avenue will be closed between Burt Road and Oak Canyon/Laguna Canyon Road Friday, July 27 at 8 p.m. until Monday, August 6 at 5 a.m.

This will impact traffic heading into several Great Park events, including:

  • Great Summer Games Featuring ParentingOC Expo, July 28
  • Target® Symphony in the Cities, July 29
  • The first weeekend of Flights & Sounds Summer Festival, August 2-4
  • Farmers Market, July 29 & August 5
  • Groves Antiques Market, August 5
  • Gardening for Adults: Start Your Seeds, August 2
  • SNAG Golf, August 5

Driving Directions

405 South

  1. Exit Jeffrey and turn left
  2. Turn right onto Trabuco
  3. Turn right onto Sand Canyon
  4. Turn left onto Marine Way to enter the Great Park

405 North

  1. Exit Jeffrey and turn right
  2. Turn right onto Trabuco
  3. Turn right onto Sand Canyon
  4. Turn left onto Marine Way to enter the Great Park
The I-5 remains open at Sand Canyon Avenue from both the South and North ramps, to allow traffic to reach the Orange County Great Park entrance.

Sand Canyon Undercrossing Overview

The Sand Canyon Undercrossing was ranked by the Orange County Transportation Authority as one of the highest priority rail crossing projects in Orange County. Building this undercrossing will help relieve traffic delays and accommodate future travel needs in the area.

The undercrossing will be built to the west and alongside the existing Sand Canyon Avenue alignment. This new road will allow vehicles, pedestrians and bicyclists to travel safely under the railroad tracks and avoid delays from trains.

In addition, the project will widen Sand Canyon from four lanes to six lanes between Interstate 5 and Oak Canyon Road/Laguna Canyon Road, rebuild the intersection at Sand Canyon and Burt Road, build retaining walls, add landscaping and relocate the Walnut Bike Trail.

For more information about the Sand Canyon Undercrossing project, visit the City of Irvine website or call 1-855-777-SAND