MOUNTAIN VIEW (CBS SF) – All lanes of Highway 101 have reopened in both directions after a medial emergency on an overpass shut down the freeway for more than 14 hours.

The California Highway Patrol issued a Sigalert at 10:51 p.m. saying the incident was over after 14 hours and 37 minutes.

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The incident began Tuesday morning, when officers were called to the overpass on Old Middlefield Way shortly after 9 a.m. A tweet from Mountain View police said that crisis negotiators from their department and the CHP, along with the county’s mobile crisis response team are on scene.

(Mountain View Police Department)

(Mountain View Police Department)

“We continue to work to resolve the situation peacefully,” police said.

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As of 8:30 p.m., reported continued police activity. All northbound lanes 101 were still blocked and traffic was being diverted off to Old Middlefield Way. Southbound left and center lanes remained blocked.

“We know it is slow going, but we appreciate everyone’s patience as all involved work to resolve this call peacefully,” police said in a tweet.

No additional details were immediately available.

Drivers were being asked to use Highways 85 or Interstate 280 as alternates.

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This is a breaking news update. More information to be added shortly.