Brittany Wallman, Aaron Leibowitz, Shradha Dinesh and Susan Merriam | Miami Herald

Florida’s new rules for rail crossings take effect Jan. 1, aimed at reducing the number of drivers and pedestrians killed by trains. But they won’t lead to wholesale change along the deadly Brightline corridor, where 195 people have been killed — the rules are for new projects. Here is a look at the safety solutions experts say could be most effective.