Fog causes Waymo vehicles to pull over in California‍

In a statement on Wednesday, Waymo, division of Alphabet Inc's self-driving research and development unit, said some of its self-driving vehicles had run into dense fog in San Francisco and had briefly pulled over to the side of the road to clear it.

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During the early morning hours of this Tuesday, Waymo said the incident occurred at around 6 a.m. in the Pacific Time zone. That was around the time vehicles were beginning to move out of the area when fog started clearing of the area, Waymo said.

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According to Trade Algo, the company has developed software updates to enhance the performance of the fog and parking systems and address similar issues in the future, according to a statement released by the company.

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There are many sensors in the cars that help them sense their surroundings, such as lidar sensors, cameras and radar sensors, in order to make informed decisions.

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Earlier this month, Waymo has announced it plans to open up its testing area more broadly, to include the entire San Francisco city, following the application for a final permit that it needs to sell fully autonomous vehicles in California.

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After one of the autonomous vehicle units of General Motors, Cruise, crashed into the back of a bus while travelling in San Francisco last week, the company has announced that 300 vehicles are being recalled for self-driving software.