TOKYO (AP) -- Japanese automaker Nissan is developing new self-driving technology as it works to turn around its struggling auto business.

In a recent demonstration of the technology, set to be available in 2027, a Nissan Ariya sedan outfitted with 11 cameras, five radars and a next-generation sensor called LiDAR maneuvered its way through downtown Tokyo, braking for red lights as well as pedestrians and other cars at intersections.

Previous Nissan self-driving technology was designed for freeway driving, where the lanes are clearly marked and easier to decipher. The new technology is designed for congested, unpredictable city streets.

It's an already-crowded field. The self-driving car market is estimated to reach $2 trillion by 2030, according to market researcher IndustryARC, riding on the back of advances in AI, sensor technologies and data processing capabilities.

Japan's top automaker, Toyota Motor Corp., has a partnership deal with Waymo, another self-driving technology developed by Google. Waymo has also arrived in Japan, in partnership with a cab company, but it's still in the testing stage.

Other automakers are also working on autonomous driving technology, including Honda Motor Co., General Motors and Mercedes-Benz, as well as companies outside the auto industry like Amazon and its subsidiary Zoox.

Nissan's push comes at a time when the overall Japanese auto market is facing serious challenges because of President Donald Trump's tariffs. Nissan especially is struggling. It has slashed jobs and appointed a new chief executive, Ivan Espinosa, to attempt a turnaround. The maker of the March subcompact, Leaf electric cars and Infiniti luxury brand posted losses for the April-June period, following a fiscal year of red ink.

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Yuri Kageyama is on Threads: https://www.threads.com/@yurikageyama