"Apple grew from 3 to 45 between April 2017 and March 2018 and now this number has increased to 55", the report added.
After that, Park drones, Apple became the second largest in California.
Apple's object-detection software.AppleThese permits enable autonomous vehicles to legally drive on California roads as long as they have a driver behind the wheel ready to take over at the first sign of trouble.
Nowadays, Smartphone Giant Apple back in lamplight for its self-driving fleet.
The new figures show that Apple still has the second-largest autonomous-car test fleet in California, which is arguably the epicenter of self-driving vehicle research. Among the 53 companies, which include other mainstream carmakers such as Nissan, Toyota, Ford and Subaru, there are a total of 409 self-driving cars and 1,573 drivers. Waymo had the largest gulf between its self-driving auto permits and the number of drivers at 51 vehicles and 338 drivers.More news: Boeing Trade-Case Win Prompts New Trump Threat of EU Sanctions
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Apple has been secretly working on its own self-driving vehicle program for years, but during that time it hasn't shared much information about the project.
At present, Apple has 55 self-driving vehicles that it is testing on public roads. After starting with a secret operation to build a self-driving vehicle codenamed Project Titan in 2014, the project fell apart in two years. Apple CEO Tim Cook has called self-driving "a core technology that we view as very important".
"We sort of see it as the mother of all AI projects".
As of now, the DMV has not issued any permits for complete driverless testing because for that to happen, companies must have to have a pre-testing of the vehicles in controlled conditions.