Platform screen doors (PSDs), also known as platform edge doors (PEDs), are used at some train, rapid transit and people mover stations to separate the platform from train tracks, as well as on some bus rapid transit, tram and light rail systems.
Basically the bullet train remains in a constant state of motion to save time and energy typically spent accelerating and decelerating. Prior to the train's scheduled arrival passengers enter a “connector cabin” situated at the station.
It's important to understand the reasoning behind stopping before a railroad track. The biggest, most important reason is this: safety. Especially for large vehicles carrying passengers or dangerous materials, this is even more important. Trains are heavier and harder to stop than even a fully loaded semi truck.
Working hours are subject to what are known as the Hidden Regulations* which specify that you cannot work a shift longer than twelve hours and then only if there is no driving involved after the eleventh hour. You must also have a minimum of twelve hours off between shifts.
Automatic crossings generally have no or half-width barriers to prevent cars and pedestrians becoming trapped on the tracks with no escape, and manually-operated crossings have full-width barriers (either 2 or 4 arms which block the whole road).
Near Railroad or Light Rail TracksThe speed limit is 15 mph within 100 feet of a railroad crossing and you cannot see the tracks for 400 feet in both directions. You may drive faster than 15 mph if the crossing is controlled by gates, a warning signal, or a flagman.