*the west <=> north curve is used by direct services between Oviedo and Noreña which run Mondays to Saturdays only; most of these run to/from Gijón.
*the west <=> south curve is used Mondays to Fridays only by through four Laviana - Oviedo round trips; look for Laviana services not requiring a change at El Berrón
. '''Note''' that the entire Laviana line is closed for engineering work between 1 December 2018 and 28 February 2019.
=== Llovio – Ribadesella Puerto ===