Tetanus is needed for every injury incurred from a things, roadway injury, and specifically more so for metal. Having said that, it is a food safety measure to take if you think that it has actually been too intrusive or injury has been extremely substantial to go ahead and take another tetanus shot, because if the very first was taken only for a scrape, and after that you have met with a roadway mishap, it’s going to be humungous direct exposure.