Public transportation in Chachapoyas is relatively safe, but like in any other city, it's always important to be cautious. Bus systems are widely used, but they can be crowded at peak times, so it's essential to keep an eye on your belongings. The services are mostly reliable, and the locals are generally helpful and friendly. It's advisable also to avoid travelling at night if possible. Always be aware of your surroundings, be mindful where you're sitting and whom you're sitting next to.