Self-driving company Waymo added four more cities where it will service riders: Denver, San Diego, Las Vegas and Tampa. Waymo's parent company, Alphabet, announced the expansion on Wednesday.  Waymo's robotaxi service is currently available in big US cities such as San Francisco,

There is at least one thing worse than being stuck in gridlock traffic on the 4th of July -- being stuck inside a Waymo in gridlock traffic on the 4th of July.

Video captures terrified passengers inside a Waymo driverless car as it drives directly into lit fireworks on a San Francisco street on the Fourth of July.

Waymo has become a familiar sight on Denver roads since the autonomous ride-hailing service launched in the city last September. But ten months later, humans are still behind the wheel. The AI-powered self-driving vehicles are currently supervised by employees in the driver’s seat as they work to map city streets and test their winter-weather capabilities.

A self-driving taxi called 911 on a pair of teenagers who were allegedly drinking alcohol and shooting a toy gun inside the vehicle.

NHTSA said that car companies must quickly address driverless vehicles interfering with law enforcement and other first responders.

A group of passengers riding in a Waymo autonomous vehicle in San Francisco experienced a frightening moment during Fourth of July celebrations when the car appeared to drive over an exploding firework in the middle of a roadway.