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Geotechnical Installation at 1st St Portal


Regional Connector Constructors will be installing geotechnical instrumentation at the 1st St Portal.

Work is anticipated to begin Saturday, May 12, 2018, for one day only. Anticipated work hours are from 7:00 am to 3:30pm.

This work requires a one day directional closure of Westbound 1st St between Vignes St and Alameda St. from 6 am to 3:30 pm.


Activities include drilling, installation of instrumentation, and back fill.

Sound mitigations will be in place during work hours. Pedestrian, business, and local access will be maintained.

What to expect

Directional weekend closure detour
Westbound 1st St. traffic will detour right on Vignes, left on Temple, left Judge John Aiso, back to 1st St.

Program Notes

Eat, Shop, Play Local

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