Definition: Identifies the legal travel direction for a navigable link.
Code | Description |
---|---|
B | Both directions - Travel is allowed in both directions between the reference and the non-reference nodes. |
F | From reference node - Travel is one way from the reference node to the non-reference node. |
T | To reference node - Travel is one way to the reference node from the non-reference node. |
No value | Not applicable is applied to non-navigable links. |