German businesses are gearing up to invest in Surabaya’s light rail transit (LRT) network, extended high-speed rail corridors across Java, and large-scale renewable energy projects over the next three years. RRI.CO.ID, Jakarta - German businesses are gearing up to invest in Surabaya’s light rail transit (LRT) network, extended high-speed rail corridors across Java, and large-scale renewable energy projects over the next three years.