But did they have it in the language the driver could read, if any.
A huge water main burst in Austin today which has the Metro Rail shut down. While these are accidents and will be repaired in a couple days, imagine if they were intended. Interruption of major highway and rail traffic would be easy.
Can’t post impressive pic of water - http://www.kvue.com/story/news/local/2015/03/26/water-main-break-impacts-metrorail-service/70495136/