1. Introduction
Datasets and benchmarks for a variety of perception tasks in autonomous driving have been hugely influential to the computer vision community over the last few years. We are particularly inspired by the impact KITTI [10] has had in opening new research directions. However, publicly available datasets for autonomous driving rarely include map data, even though detailed maps are critical to the development real world autonomous systems. Publicly available maps, e.g. OpenStreetMap, can be useful, but have limited detail and accuracy.