TuSimple Holdings Incorporated is developing autonomous technology for semi-trucks in the U.S. and internationally. It intends to produce a line of purpose-built Level 4 autonomous semi-trucks for the North American market. Its Autonomous Freight Network is envisioned as 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. TuSimple was founded in 2015 and is headquartered in San Diego, CA.