Uber announced this week  that it would start taking passengers across the US-Mexico border for the very first time, from San Diego to Tijuana. But getting back will be trickier, thanks to the regulations that govern ride-hail companies like Uber.

Before, ride-sharing passengers would have to take a car to the border, get out, cross into Mexico, and then call another car to take them into Tijuana or somewhere on the Baja peninsula. Now riders equipped with the necessary documentation — i.e., a US passport — can take the same car all the way into Tijuana. Uber calls it “a new way to foster cross-border business opportunities by facilitating accessible and reliable transportation.”

Read the full article on The Verge.