Chinese tech company Baidu's robotaxi unit Apollo Go is in talks to expand overseas in the near future, according to a source familiar with the situation.

Baidu ( BIDU) is one of the major operators of robotaxis in China, with Apollo Go operating more than 400 driverless taxis in the central Chinese city of Wuhan alone. Apollo Go provided nearly 900,000 rides in China during Q2 as it continued its rapid expansion.

Baidu’s ($BIDU) robotaxi unit, Apollo Go, could be planning to expand into international markets in the “near future,” according to a CNBC report.