Construction Activities
Crews will continue construction of retaining walls adjacent to the trail and perform abutment work to support the new railroad bridge. The surrounding community may be impacted by noise and vibration from this activity.
This work may be loud. Schedule is subject to change due to inclement weather or unforeseen operational issues.

Crews constructing a diversion channel in San Juan Creek.

Construction activities in San Juan Creek.
Community Impacts
San Juan Creek Trail Closures - Closed April 28 for Two Weeks
The San Juan Creek Trail is expected to be closed as soon as Monday, April 28 for approximately two weeks, weekdays, from 6 a.m. to 7 p.m. The trail will reopen at the end of each workday and remain open on weekends. During this closure, crews will be installing sheet piles for a retaining wall adjacent to the trail, as well as continuinge construction the new railroad bridge within the creek. The surrounding community may be impacted by noise and vibration from this activity.
Trail users will be detoured to Camino Capistrano, Del Obispo Street and the Trabuco Creek Trail. Bicyclists are encouraged to walk their bikes on Del Obispo. Detour signs will be installed prior to the closure.
This work may be loud. Schedule is subject to change due to inclement weather or unforeseen operational issues.
Train Horns
Federal Railroad Administration (FRA) guidelines require all trains to sound their horns when workers are present, in emergency situations or when there are trespassers on or around railroad tracks. This federal mandate applies to construction zones. As a result, for the safety of construction workers, train crews and passengers, and the public, horns will be sounded when trains pass through the area.
Additional Impacts
The public and businesses adjacent to the work area may experience noise and vibration from demolition and drilling activities as well as light from construction operations. Noise may also be generated from construction equipment back-up alarm. The alarms are required by state regulation.