Waymo self-driving cars put to the test during recent snow storms in Philadelphia

PHILADELPHIA (WPVI) -- Waymo's driverless cars used recent snowy weeks in Philadelphia to get used to wintry conditions.

The vehicles were put to the test during recent snow storms.

The company's co-CEO, Dmitri Dolgov, recently posted a video of a robo-taxi driving down a lightly snow-covered Market Street.

He says the California-based, autonomous ride-hailing company tested the cars in several snowy cities, including Denver, to train them on how to respond.

Waymo began autonomous test drives in Philadelphia, back in December.