Closures & Detours

Week of Monday, July 21, 2025

The interactive map below is updated weekly and includes specific closure dates and times as well as recommended detours that may be convenient for your commute.

Closures subject to change without prior notice. For up-to-the-minute driving conditions throughout Orange County, visit Sigalert.com or check out Caltrans' Quickmap .

Map View

Select an item on the map to view closure details.
Full Closure icon Full Closure
Lane Reduction icon Lane Reduction

List View

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Lane Reduction icon
Lane Reduction
Bridge Work
07/18/2025

Southbound 241 at Trabuco Creek Bridge

The right lane will be closed indefinitely on the southbound 241 at the Trabuco Creek Bridge (located between Los Alisos Boulevard and Santa Margarita Parkway).

Lane Reduction icon
Lane Reduction
Bridge Work
Full Closure icon
Full Road Closure
Pavement Work
07/19/2025

Northbound Laguna Canyon Road connector to southbound I-405

11:59 p.m. to 6 a.m.

Full Closure icon
Full Road Closure
Pavement Work
Full Closure icon
Full Road Closure
Pavement Work
07/19/2025

Southbound Laguna Canyon Road connector to southbound I-405

11:59 p.m. to 6 a.m.

Full Closure icon
Full Road Closure
Pavement Work
Full Closure icon
Full Road Closure
Miscellaneous Work
07/21/2025 to 07/25/2025

The southbound Laguna Canyon Road connector to northbound I-405

11:59 p.m. to 5 a.m.

Full Closure icon
Full Road Closure
Miscellaneous Work
Full Closure icon
Full Road Closure
Miscellaneous Work
07/21/2025 to 07/25/2025

The Barranca Parkway on-ramp to southbound Laguna Canyon Road

11 p.m. to 5 a.m. (7/21 – 7/24)

11 p.m. to 4 a.m. (7/25)

Full Closure icon
Full Road Closure
Miscellaneous Work
Full Closure icon
Full Road Closure
Highway Construction
07/21/2025

The southbound 133 Toll Road connector to southbound I-405

11:59 p.m. to 5 a.m.

Full Closure icon
Full Road Closure
Highway Construction
Full Closure icon
Full Road Closure
Highway Construction
07/22/2025

The northbound Laguna Canyon Road connector to southbound I-405

12:01 a.m. to 5 a.m.

Full Closure icon
Full Road Closure
Highway Construction
Full Closure icon
Full Road Closure
Falsework Removal
07/21/2025 to 07/25/2025

The southbound 133 Toll Road connector to northbound 5

11 p.m. to 5 a.m. (7/21 – 7/24)

11 p.m. to 7 a.m. (7/25)

Full Closure icon
Full Road Closure
Falsework Removal
Lane Reduction icon
Lane Reduction
Guardrail Work
07/21/2025 to 07/25/2025

One lane closed on the northbound 241 Toll Road between Alton Parkway and the Tomato Springs Toll Plaza. Two lanes open to traffic.

9 p.m. to 5 a.m. (7/21 – 7/24)

9 p.m. to 9 a.m. (7/25)

Lane Reduction icon
Lane Reduction
Guardrail Work
Lane Reduction icon
Lane Reduction
Guardrail Work
07/21/2025 to 07/25/2025

One lane closed on the southbound 241 Toll Road between Antonio Parkway and Oso Parkway. One lane open to traffic.

9 p.m. to 5 a.m. (7/21 – 7/24)

9 p.m. to 9 a.m. (7/25)

Lane Reduction icon
Lane Reduction
Guardrail Work
Lane Reduction icon
Lane Reduction
Guardrail Work
07/25/2025

One lane closed on the northbound 241 Toll Road between Oso Parkway and Antonio Parkway. Two lanes open to traffic.

9 p.m. to 9 a.m.

Lane Reduction icon
Lane Reduction
Guardrail Work
Lane Reduction icon
Lane Reduction
Guardrail Work
07/25/2025

One lane closed on the southbound 241 Toll Road between the Tomato Springs Toll Plaza and Alton Parkway. One lane open to traffic.

9 p.m. to 9 a.m.

Lane Reduction icon
Lane Reduction
Guardrail Work
Full Closure icon
Full Road Closure
Guardrail Work
07/21/2025 to 07/25/2025

The Alton Parkway off-ramp from southbound 241 Toll Road

9 p.m. to 5 a.m. (7/21 – 7/24)

11 p.m. to 8 a.m. (7/25)

Full Closure icon
Full Road Closure
Guardrail Work
Lane Reduction icon
Lane Reduction
Electrical Work
07/21/2025 to 07/25/2025

Two lanes closed on the northbound 241 Toll Road between the 133 Toll Road and Santiago Canyon Road. One lane open to traffic.

8 a.m. to 2 p.m.

Lane Reduction icon
Lane Reduction
Electrical Work

Other Resources

Updated July 18, 2025. Closures subject to change without prior notice.