Montague Expressway sinkhole repaired, roadway reopened ahead of schedule

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The westbound lanes of the Montague Expressway between Trade Zone Boulevard and the railroad tracks in Milpitas have been reopened a day earlier than anticipated after repairs of a sinkhole were completed Sunday, Santa Clara County officials said.

The sinkhole, which collapsed the roadway at about 5 p.m. Friday, was an estimated 25 feet by 25 feet wide, and 12 feet deep.

A damaged underground storm drainpipe is believed to have caused the sinkhole.

"Our staff along with the contractor teams worked around the clock to complete the repairs and reopen westbound Montague for Monday morning's commute," said Harry Freitas, director of the county's Roads and Airports Department.

Repairs to the roadway included digging out the sinkhole area, stabilizing the soil underneath, back filling the sinkhole to the surface, and paving the surface of the roadway.