Public transportation in Thurgau is generally very safe. The country boasts an efficient public transportation system that includes buses, trains, and boats, which are all punctual and reliable. In Thurgau, the transportation options are regularly maintained and are well-policed, with conductors often present. It's also worth noticing that the Swiss society values respect and personal space, and this reflects on public transportation, making it a comfortable option for solo female travelers. However, as with any place, always be aware of your surroundings and belongings.