TuSimple Holdings Inc., an autonomous technology company, develops autonomous technology specifically designed for semi-trucks in the United States and internationally. It intends to produce a line of purpose-built (Level 4) L4 autonomous semi-trucks for the North American market. The company operates its Autonomous Freight Network (AFN) L4 autonomous semi-trucks equipped with its autonomous driving technology. Its AFN is an ecosystem that consists of L4 autonomous semi-trucks, high definition digital mapped routes, terminals, and TuSimple Connect, a cloud-based autonomous operations oversight system. The company was founded in 2015 and is headquartered in San Diego, California.