Closures & Detours
Week of Monday, August 4, 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 .
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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).


The Bison Avenue on-ramp to northbound 73 Toll Road
9 p.m. to 5 a.m. (8/4 – 8/7)
9 p.m. to 7 a.m. (8/8)


The southbound Laguna Canyon Road connector to northbound I-405
11:59 p.m. to 5 a.m.


The Barranca Parkway on-ramp to southbound Laguna Canyon Road
10 p.m. to 5 a.m.


One lane closed on the northbound 241 Toll Road between Oso Parkway and Antonio Parkway. One lane open to traffic.
9 p.m. to 6 a.m. (8/4 – 8/7)
9 p.m. to 9 a.m. (8/8)


One lane closed on the northbound 241 Toll Road between Alton Parkway and the Tomato Springs Toll Plaza. One lane open to traffic.
9 p.m. to 5 a.m. (8/4 – 8/7)
9 p.m. to 9 a.m. (8/8)


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. (8/4 – 8/7)
9 p.m. to 9 a.m. (8/8)


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 5 a.m. (8/4 – 8/7)
9 p.m. to 9 a.m. (8/8)


The Portola Parkway (Mission Viejo) on-ramp to southbound 241 Toll Road
9 p.m. to 5 a.m. (8/4 – 8/7)
11 p.m. to 7 a.m. (8/8)


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.


The Antonio Parkway on-ramp to southbound 241 Toll Road will be fully closed. This closure is anticipated to cause a 3-minute travel delay.
9:15 a.m. to 2 p.m.

Other Resources
- For additional information about construction projects, please contact Caltrans at dot.ca.gov
- For specific closure information on The Toll Roads and other highways in Orange County, visit: https://lcswebreports.dot.ca.gov/searchdistricts?district=12
- For current road information, visit: dot.ca.gov/cgi-bin/roads.cgi
- To view current traffic incident information, visit the California Highway Patrol's Orange County Communication Center website: cad.chp.ca.gov
Updated August 1, 2025. Closures subject to change without prior notice.
