Around the world, some places ban entry to humans. Area-51 for example, does not welcome humans for reasons unknown. Even in India, there are places, visiting which is not advised. In some of these places, you might be allowed to enter but you will not be welcome!
In a video of the crash shared by Bristol police on Facebook, an SUV-type vehicle drives straight into a security gate affixed with a "Do Not Enter" sign.
This is a 50 square mile stretch of Yellowstone National Park that is within the Idaho border with a legal loophole to get away with murder and other serious crimes.