Ordnance Survey data released in effort to reduce bridge strikes
https://www.railwaygazette.com/uk/ordnance-survey-data-released-in-effort-to-reduce-bridge-strikes/54897.article
As a way to upgrade railways on ground level, they are often rebuilt on viaducts. Its purpose is mainly to reduce accidents between vehicles and trains on level crossings. But, viaducts are not always versatile. when they are so low that some trucks cannot pass under them, careless drivers make them collide with viaducts.
So, there should be plain notifications for drivers to prevent such accidents.
