Median type & severities in tunnels

How to code median type and severities within a tunnel?
¿Cómo codificar tipo de mediana y severidades dentro de un túnel?

Creo que el tipo de media es un solo sentido, porque no hay riesgo de choque frontal. Las severidad lateral creo que objeto rigido.

Is their one way traffic ?
if their is one way traffic then it should be coded as undivided carriageway.
severity will be structures on both side, and poor Delineation.