Southern California Edison (SCE), in partnership with contractor ILB Inc., will begin construction on a new underground transmission line starting Sunday, October 12, 2025, with work expected to be completed by January 2026. Construction will take place in phases and will involve traffic impacts and planned electrical outages in portions of Chino Hills.
Construction Phases and Traffic Impacts
1. Soquel Canyon Parkway
- Schedule: October 12 – November 21, 2025
- Work Area: Soquel Canyon Parkway between Butterfield Ranch Road and Pomona Rincon Road, including intersections.
- Traffic Impacts: Northbound lanes reduced to two lanes; through traffic will be maintained.
- Work Hours: Night work only, Monday - Friday, 7:00 p.m. to 5:00 a.m.
2. Pomona Rincon Road
- Schedule: October 27 – December 5, 2025
- Work Area: Pomona Rincon Road near Chino Hills High School, between the high school parking lot and Soquel Canyon Parkway.
- Traffic Impacts: Westbound traffic will be reduced to one lane throughout the entire duration.
- Work Hours: 24 hours, 7:00 a.m. – 5:00 p.m. & 7:00 p.m. – 5:00 a.m.
3. Los Serranos Country Club Drive (FULL WESTBOUND CLOSURE)
- Schedule: November 2 – November 21, 2025
- Work Area: Los Serranos Country Club Drive, from Soquel Canyon Parkway to the SCE substation (just before Torrey Pines Drive).
- Traffic Impacts: FULL CLOSURE of westbound Los Serranos Country Club Drive. No through traffic.
- Work Hours: 7:00 a.m. – 5:00 p.m., full closure will remain in place throughout the entire duration.
4. Final Roadway Restoration (Grind and Cap)
- Schedule: January 5 – January 10, 2026
- Work Area: Soquel Canyon Parkway and Los Serranos Country Club Drive
- Traffic Impacts: FULL CLOSURE of westbound Los Serranos County Club Drive. Westbound Soquel Canyon Parkway will be reduced to one lane.
- Work Hours: 7:00 a.m. - 5:00 p.m., full closure will remain in place throughout the entire duration.
For questions or concerns, please contact SCE’s contractor, ILB project Superintendent Jorge Alvarez by phone at 951-963-3050, or email at Jorge.Alvarez@ilbinc.com.
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