A very good point Heinz as we have several of these incidents in the UK during the course of a year.

Quote "Data by Network Rail suggests that there were 1,714 railway bridge strikes across the country in the 2019/20 financial year." Some of these will be trucks of course.

They carried out some trials in 2021 it seems..

2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev