Not legally, certainly. The buses have to stop at traffic lights and stop signs. In past attacks, the trucks have been hijacked and the driver killed. It's obviously a nightmare scenario, but you'd think with recent horrific events in the news, Disney would be tightening security, not loosening...
This is idiotic and frankly terrifying. Not only are they breaching security (which they are, because although they are taking ticketed guests from park to park, they are also traveling outside the parks, and anyone who WANTED to get in to do harm has a great way to get in), but they are...