The video below is from today’s stage of the Tirreno-Adriatico. The break makes it through a train crossing and the peloton doesn’t. But, the UCI has their own ideas. They stopped the break and made them give up the time that was gained by the peloton stopping. Guess they didn’t really know their own rules. Specifically this one-
UCI rule 2.3.035
3. If one or more leading riders make it over the crossing before the gates shut and the remainder of the riders are held up, no action shall be taken and the closed level crossing shall be considered a race incident;