In March, the final cast-in-drilled-hole (CIDH) pile sign foundation will be installed for the express lanes between Walnut Creek and San Ramon, and crews will continue to install overhead sign frames on the foundations.
Crews will also begin work on the express lanes communications network. This work will occur from Martinez to Dublin (see map below), and will primarily include laying conduit and installing fiber-optic cable along I-680 and some city streets.
Purpose
The overhead sign frames will support the future travel and toll information signs and the communications network will facilitate the transmission of data for the express lanes.
What to Expect
- Intermittent and alternating nightly closures continue in the northbound and southbound directions in the lanes closest to the median, in the lane closest to the shoulder, and at some ramps from Walnut Creek to San Ramon. Approved construction work hours are: Monday through Thursday from 8 p.m. – 5 a.m., Friday from 8 p.m. – 7 a.m., and Saturday from 7 p.m. to 10 a.m.
- Construction crews will be present on some city streets during the day near I-680 from Martinez to Dublin with temporary and minor pedestrian detours to maintain public safety.
- Temporary k-rail, construction signage and orange plastic fencing will be installed in several locations from Martinez to Walnut Creek to maintain a safe work zone.
Construction lighting will be present and directed away from residential areas.
Construction is a dynamic process and information is subject to change without notice. Work is subject to weather conditions. Please use caution while traveling through the construction zone.
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