In order for Cadillac to feel confident enough to introduce the industry’s first truly hands-free driving system to the public, the car company wanted to be sure it had enough data on the US highway system before it launched. How much data? Well, all of it.
To do this, Cadillac didn’t deploy a fleet of camera-mounted vehicles to record footage of the nation’s highways, like Google does for Street View. Nor did it rely on “fleet learning” like Tesla, in which many vehicles operating on the same software work together to build a more detailed map. Instead, Cadillac used vehicles equipped with high-powered LIDAR sensors to build a highly detailed map of the US highway system.
“We went out and mapped 160,000 miles of interstate highways,” Barry Walkup, chief engineer of Cadillac’s Super Cruise, said in an interview with The Verge at the New York International Auto Show …