An urban road with a roundabout in Mountain View, California.

A voxel and localization map depicting highly detailed features of the road and surrounding city block environment, including a complex roundabout, median strips, trees, and buildings. This map includes a reliable semantic layer of information with key attributes such as navigable boundaries, lane boundaries, crosswalks, traffic signs and traffic signals, restricted zones (school zones, toll booths), explicit and implicit yield lines, and lane connectivity.