Especially when traveling solo, you should pop on a RoadID tag. You can get a bracelet, shoe tag, dog tag, or a tag for your Fitbit or Garmin wearable. These interactive IDs (from $10 at Amazon) let you load your medical and emergency contact details to a website. First responders can find the info by calling a 1-800 number or logging into the site. You can set it up so that you or your loved one gets a notification whenever your info is accessed. There’s space on the tag to print your name, allergies, and an emergency contact number too.