Monday brings changes for early morning BARTers

Noah Berger

Starting Monday, BART will start service at 5 a.m. instead of 4 a.m. as seismic work starts in earnest on the Transbay Tube.

Buses will be used to cover that first hour, in which 2,900 passengers use BART.  The change that will last for 3.5 years as work is done to gird the under water tube against a massive earthquake.

BART will also be single-tracking trains through the tube Sunday through Thursday from 9:30 p.m. until close of service at midnight. During this time, trains will run every 24 minutes instead of the every 20 minutes.

While the tube is structurally sound, in a very large and likely rare earthquake, the outer shell and concrete liner are predicted to crack, causing leakage.

Before traveling, BART urges rider to check its website and app before traveling.

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