Mask rules have relaxed in most places. Face coverings are now generally optional for passengers and staff on trains and in stations, and masks are welcome but not required on most public transport. Amtrak, for example, no longer requires masks on trains or in stations. Learn more about
trains in the United States. Even so, masks are shown to offer effective protection against COVID-19, and the CDC recommends wearing high-quality masks on public transportation. During the pandemic, wearing masks was encouraged until most people were immunized, and many travellers still choose to wear one on busy trains, especially during outbreaks or if they're at higher risk. If you decide to wear a mask, make sure it fits well and covers your nose and mouth, and carry a spare for long journeys.