The green line, between the railway station and Predjama, will be valid until April 30, 2024, namely at the time of increased tourist visits, in the following periods: 24.6. – 7.7. , 4.9. – 5.11., 22.12. – 7.1. and 16.3. – 30.4.

The red line, which therefore connects Predjama and Planina, will be established until August 31, 2023, runs on the route Planina – ŽP Postojna – Postojna jama – Predjama.