The Boring Business’s test tunnel near Los Angeles will open somewhat behind schedule, however CEO Elon Musk stated on Thursday that the launch would include more than simply a hole in the ground.

“Boring Business item launch on Dec18 More than a tunnel opening. Will consist of modded however totally roadway legal self-governing transportation cars and trucks & ground to tunnel cars and truck elevators,” Musk tweeted

In October, Musk tweeted that The Boring Business’s very first tunnel would be all set to utilize on December 10, however he did not discuss that the transportation cars and trucks and “ground to cars and truck” elevators would be exposed too. It’s uncertain if the tunnel and the cars and trucks will be offered for public use or if this will simply be a presentation.

The tunnel exposed at the December 18 occasion will cover about 2 miles, starting near SpaceX head office in the Los Angeles residential area of Hawthorne. The business is likewise dealing with prepare for a tunnel near Dodger Arena, called the Dugout Loop, that would carry fans from neighboring trains straight to the arena.

The business dealt with among its very first significant obstacles in November after regional groups took legal action against the city of Los Angeles for excusing a Boring Business tunnel job from ecological guidelines. The Boring Business consequently accepted withdraw its prepare for that job, which would have included a 2nd 2-mile stretch, this time under western Los Angeles.

Learn More: This photo of hellish LA traffic reveals why we require a transport transformation

For a business that “ started as a joke,” Musk’s tweet on Thursday makes his imagine a Los Angeles traffic-buster even more most likely to come true.