In the highly competitive race to get self-driving cars to the market, most companies hold their secrets close. But when it comes to helping those cars figure out where they are on the road, some experts are ready to open up. Argo AI, based in the Strip District, and Aptiv, based in O’Hara, publicly released some of their own data sets earlier this year in an effort to further advancement in the field. The companies shared parts of their own maps of cities where they are testing self-driving cars, including Pittsburgh. That may seem strange considering the abundance of applications...