This code list is used in association with the One Way attribute which is present within the Transport Link Feature Type. It indicates whether there is a one-way restriction on a Transport Link.
yes
Indicates travel only in the link direction.
no
Indicates travel in both directions.
-1
Indicates travel only against the link direction.
reversible
Roads that alternate between different directions regularly but infrequently.
alternating
Roads that alternate between different directions regularly and often.