The Alphabet Inc. unit is partnering with Japan’s biggest taxi service to test a fleet of electric Jaguar SUVs that will learn how to drive in Japan early next year.

Nihon Kotsu, Tokyo's largest taxi company, will oversee Waymo's self-driving operations in the city and manage the Waymo One vehicle once it arrives in the country.

Waymo will start testing self-driving cars on the streets of Tokyo next year in its first step toward international expansion. Waymo, a subsidiary of Google parent Alphabet, is already a common sight in several U.