Direction of Travel Codes

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.