Central Subway Blog

The San Francisco Municipal Transportation Agency and PB/Telamon with Treadwell & Rollo will continue drilling operations for supplemental geotechnical investigations; the purpose of which are to provide critical geotechnical and hydro-geologic information needed for final design and pre-construction of the proposed subway tunnel and associated structures.
Here’s the anticipated drilling [...]

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For those of you who haven’t heard about the re-routing on the 30 Stockton and 45 Union/Stockton, here’s an update!
This re-route is required due to ongoing utilities relocation and underpinning work at 401 Fourth Street to shore up the foundation.
The 30 Stockton and 45 Union/Stockton are being re-routed, while the street is not [...]

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