Had the Alphabet of the vehicle lost control or was he crossing the tracks at too high speeds?
Before we continue, it is good to clarify that the vehicle was not fined for that.
I bet that humans are not stopped by it so often.

We limit the speed of our prototypes vehicles to 25 miles per hour for safety reasons.
We want them to appear friendly and receptive, instead of approaching alarmingly through neighborhood streets.
As this officer, people sometimes call our attention when they want to know more of our project.

As you might see, it seems that fortunately had a happy ending to this case.
Lets wait and see.
The organization says there are safety drivers on board all vehicles until further notice.
