Japan is aiming to launch self-driving vehicle services on public roads by 2020 when Tokyo hosts the Olympics and Paralympics, according to a draft growth strategy presented Monday. The government set a goal of increasing the number of locations where such services are available to over 100 across the country by 2030, reflecting its ambition to spread the use of autonomous driving technology. The draft strategy, presented to a government panel on future investment, pointed to the need for Japan to make better use of advanced technology such as artificial intelligence and big data. A slow response will leave the country lagging behind in the intensifying global technology race, the strategy document said, adding that advances can be utilized to solve Japan's dual challenges of its aging society and falling birthrate. Automakers and other companies are competing to develop self-driving technology that the government hopes to show off in autonomous vehicles when the Olympics and Paralympics are held in Tokyo.