Project Details

The Coastal Rail Emergency Project – Area 3 is constructing a 1,400-foot-long catchment wall on the bluff side of the tracks at Mariposa Point. The wall will extend from the El Portal Beach access point to Linda Lane. The San Clemente Pedestrian Beach Trail will also be restored as part of this project.

Construction work hours are Monday through Saturday from 7 a.m. to 10 p.m.

The schedule is subject to change due to inclement weather or unforeseen operational issues.

Construction Update

Work is continuing on the construction of the 1,400-foot-long catchment wall, with crews installing wood lagging and performing drainage work. To date, 195 of the 225 steel beams have been successfully installed north of the Mariposa Channel. In the coming week, crews are expected to move south of the channel to complete drilling operations and install the remaining piles.

Materials Delivery Schedule

Ongoing deliveries of steel beams and rebar cages are expected to continue through March 2026 until pile installation is complete.

• Nighttime Deliveries via rail will take place on Sunday and Monday nights, from 11 p.m. to 5 a.m. Materials will be staged at the project site.
• Deliveries via truck will take place periodically Monday through Saturday, from 7 a.m. to 10 p.m. Materials will be staged on a city-owned lot on the corner of Avenida Estacion and Calle Deshecha and subsequently moved to the project site with intermittent truck access through North Beach and Linda Lane.

This work may be loud. Residents may hear back up alarms and noise from construction activities.

San Clemente Beach Trail

The San Clemente Beach Trail will be closed from the North Beach parking lot to El Portal during work hours but will reopen at the end of each workday and will be open on Sundays. The trail will be closed from El Portal to Linda Lane until project completion.

As part of the Coastal Rail Emergency Project, the San Clemente Beach Trail is being restored and is expected to reopen to the public upon project completion in Summer 2026. For additional information about the trail improvements and project features, check out our Trail Benefits Flyer.

Rendering of San Clemente Beach Trail

Beach Access

The Mariposa underpass is closed. Beach access at Dije Court and El Portal are temporarily closed to ensure the safety of the public. The public can still access the beach using the El Portal beach underpass and the Linda Lane beach underpass.

View our interactive map for current beach access closures and detour routes.

Staging Areas

Contractors are staging equipment and materials in the North Beach parking lot and on a city-owned vacant lot at the corner of Avenida Estacion and Calle Deshecha. Several parking spaces along Linda Lane will also be utilized for construction vehicle parking on a first-come, first-served basis.

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