They would be allowed to send groups of self-driving cars on cross-state road trips, and even set up on-demand fleets of self-driving cars, like the one General Motors and Lyft are building.
Up until now, only a few laws have been unified, and cross-state conflicts of laws still exist.
到目前为止，真正得到统一的法律屈指可数，州际法律冲突仍然存在。
3
Guitarists now worry that every time they cross a state border with their instrument, they will have to carry sheaves of documents proving that every part of it was legally sourced.