Line 23-Errondo-Puio: Services departing from San Bartolomé 3 and Borroto at xx:00 and xx:10 respectively will follow their normal route in both directions. However, services departing from San Bartolomé 3 at xx:30 will have a modified route. From the Pío XII stop onwards, they will not travel along Paseo de Errondo and will ascend via Catalina Eleizegui, as line 32 does (making all stops), reaching Merkezale. They will change direction at the roundabout on Calle Errondo Gaina (Miralles Restaurant) and continue to Borroto 20 (final stop). Stops at Errondo, Errondo 32, Errondo Gaina 49, and Azkaratene will be skipped, with stops instead at Pío XII and Etxadi Parkea.
Towards the city center, the usual route will be maintained.
Line 32- Puio-Errondo: Services departing from San Bartolomé 3 at xx:45 and Errondo Gaina 27 at xx:55 will follow their normal route in both directions. However, services departing from San Bartolomé 3 at xx:15 will have a modified route. Upon reaching the Etxadi parkea 2 stop, they will change direction at the roundabout on Calle Errondo Gaina (Miralles Restaurant) and return to Borroto 20 (final stop of line 23). Stops at Errondo Gaina 107, Errondo Gaina 91, Errondo Gaina 55, and Errondo Gaina 27 will be skipped, with stops instead at Etxadi Parkea and Collado.
Towards the city center, services departing at xx:25 from Borroto 20 will follow the same route and stops as line 23 until San Bartolomé. Stops at Errondo Gaina 27 and Errondo-Barkaiztegi will be skipped, with stops instead at Etxadi Parkea and Collado.
